312909425 has 24 divisors (see below), whose sum is σ = 396135360. Its totient is φ = 245134400.

The previous prime is 312909383. The next prime is 312909431. The reversal of 312909425 is 524909213.

It is not a de Polignac number, because 312909425 - 2⁸ = 312909169 is a prime.

It is a super-6 number, since 6×312909425⁶ (a number of 52 digits) contains 666666 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306566 + ... + 307584.

It is an arithmetic number, because the mean of its divisors is an integer number (16505640).

Almost surely, 2^312909425 is an apocalyptic number.

It is an amenable number.

312909425 is a deficient number, since it is larger than the sum of its proper divisors (83225935).

312909425 is a wasteful number, since it uses less digits than its factorization.

312909425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 312909425 is about 17689.2460268944. The cubic root of 312909425 is about 678.9006349318.

The spelling of 312909425 in words is "three hundred twelve million, nine hundred nine thousand, four hundred twenty-five".