315960625 has 10 divisors (see below), whose sum is σ = 394825178. Its totient is φ = 252768000.

The previous prime is 315960607. The next prime is 315960643. The reversal of 315960625 is 526069513.

It is an interprime number because it is at equal distance from previous prime (315960607) and next prime (315960643).

It can be written as a sum of positive squares in 5 ways, for example, as 25735329 + 290225296 = 5073^2 + 17036^2 .

It is not a de Polignac number, because 315960625 - 2²³ = 307572017 is a prime.

It is a super-2 number, since 2×315960625² = 199662233100781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 252144 + ... + 253393.

Almost surely, 2^315960625 is an apocalyptic number.

It is an amenable number.

315960625 is a deficient number, since it is larger than the sum of its proper divisors (78864553).

315960625 is an frugal number, since it uses more digits than its factorization.

315960625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505557 (or 505542 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 315960625 is about 17775.2812917264. The cubic root of 315960625 is about 681.1001690525.

The spelling of 315960625 in words is "three hundred fifteen million, nine hundred sixty thousand, six hundred twenty-five".