312974507 has 4 divisors (see below), whose sum is σ = 314894760. Its totient is φ = 311054256.

The previous prime is 312974503. The next prime is 312974509. The reversal of 312974507 is 705479213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705479213 = 61 ⋅11565233.

It is a cyclic number.

It is not a de Polignac number, because 312974507 - 2² = 312974503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312974503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959882 + ... + 960207.

It is an arithmetic number, because the mean of its divisors is an integer number (78723690).

Almost surely, 2^312974507 is an apocalyptic number.

312974507 is a deficient number, since it is larger than the sum of its proper divisors (1920253).

312974507 is a wasteful number, since it uses less digits than its factorization.

312974507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920252.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 312974507 is about 17691.0855235059. The cubic root of 312974507 is about 678.9476998274.

The spelling of 312974507 in words is "three hundred twelve million, nine hundred seventy-four thousand, five hundred seven".