

Perfect Number
“To him the only unsolvable equation was love.”
A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Where to watch Perfect Number in India
Can I watch Perfect Number in India? Perfect Number isn't currently available to stream in India. Availability changes often — add it to your watchlist and check back.
No streaming info for your region.
Click a service to open Perfect Number there. Availability last verified on November 13, 2026.
Where is Perfect Number streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | The Roku Channel, Tubi TV | — |
| Canada | Tubi TV | — |
| Japan | Amazon Prime Video, Amazon Prime Video with Ads | Amazon Video |
| South Korea | Netflix, Watcha, Netflix Standard with Ads, TVING | wavve |
About Perfect Number
Perfect Number is a 2012 Korean-language thriller and mystery film directed by Pang Eun-jin. The cast is led by Ryoo Seung-bum, Lee Yo-won, Cho Jin-woong. It has a runtime of 2h 0m. Viewers rate it 6.7/10 across 100 ratings.
Perfect Number was produced by K&Entertainment, CJ Entertainment, and Studio K and made in South Korea. It was released on October 18, 2012. At the box office it grossed around $10 million worldwide.
- Director
- Pang Eun-jin
- Writers
- Kim Tae-yun, Lee Gong-ju, Lee Jung-hwa
- Release date
- October 18, 2012
- Original language
- Korean
- Status
- Released
- Country
- South Korea
- Box office
- $10 million
- Production
- K&Entertainment, CJ Entertainment, Studio K
Perfect Number cast & crew
Perfect Number was directed by Pang Eun-jin and written by Kim Tae-yun, Lee Gong-ju, and Lee Jung-hwa.
The cast features Ryoo Seung-bum as Suk-go, Lee Yo-won as Hwa-sun, Cho Jin-woong as Detective Min-bum, Kim Yoon-sung as Sang-joon, Kim Bo-ra as Yoon-ah, and Lee Seok-jun as Nam Tae-woo.
Behind the camera, the score was composed by Shin I-kyung, cinematography is by Choi Chan-min, and it was produced by Seo Young-hee and Choi Yun-jin.
Is Perfect Number worth watching?
Perfect Number holds an audience score of 6.7/10 from 78 ratings, a solidly received thriller films.
At 2h 0m, it's a standard feature-length watch.
If you enjoy thriller and mystery, Perfect Number is worth a place on your watchlist.
How and where to watch Perfect Number
Perfect Number isn't currently available on major streaming services in India. We track availability continuously — add it to your watchlist and we'll keep an eye out.
Streaming rights change country by country and month by month, so the options above reflect India today — switch your country at the top of the where-to-watch section to see availability elsewhere.
Rate & review
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Cast of Perfect Number

Ryoo Seung-bum
Suk-go

Lee Yo-won
Hwa-sun

Cho Jin-woong
Detective Min-bum

Kim Yoon-sung
Sang-joon

Kim Bo-ra
Yoon-ah

Lee Seok-jun
Nam Tae-woo

Lim Sung-min
Jung-sook

Kwak Min-ho
Chul-min

Kwon Hae-hyo
Team Leader

Nam Moon-chul
Director
Kim Ah-ron
Girl

Kim Joo-ryoung
Madame
Perfect Number — FAQs
▸Where can I watch Perfect Number in India?
Perfect Number is not currently available on major streaming services in India. Availability changes often — check back soon.
▸Where can I watch Perfect Number in the US?
In the US, Perfect Number is streaming on The Roku Channel and Tubi TV.
▸What language is Perfect Number in?
Perfect Number is originally in Korean. Subtitle and dub options vary by streaming service.
▸How long is Perfect Number?
Perfect Number runs 2 hours 0 minutes (120 minutes).
▸What is Perfect Number rated?
It holds a 6.7/10 audience score from 78 ratings.











