812274937 has 2 divisors, whose sum is σ = 812274938. Its totient is φ = 812274936.

The previous prime is 812274929. The next prime is 812274941. The reversal of 812274937 is 739472218.

812274937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671639056 + 140635881 = 25916^2 + 11859^2 .

It is a cyclic number.

It is not a de Polignac number, because 812274937 - 2³ = 812274929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 812274893 and 812274902.

It is not a weakly prime, because it can be changed into another prime (812274997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406137468 + 406137469.

It is an arithmetic number, because the mean of its divisors is an integer number (406137469).

Almost surely, 2^812274937 is an apocalyptic number.

It is an amenable number.

812274937 is a deficient number, since it is larger than the sum of its proper divisors (1).

812274937 is an equidigital number, since it uses as much as digits as its factorization.

812274937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 812274937 is about 28500.4374878703. The cubic root of 812274937 is about 933.0416222571.

The spelling of 812274937 in words is "eight hundred twelve million, two hundred seventy-four thousand, nine hundred thirty-seven".