315415625 has 24 divisors (see below), whose sum is σ = 450596160. Its totient is φ = 216270000.

The previous prime is 315415619. The next prime is 315415663. The reversal of 315415625 is 526514513.

It is not a de Polignac number, because 315415625 - 2¹⁸ = 315153481 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315415591 and 315415600.

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, 14666 + ... + 29084.

It is an arithmetic number, because the mean of its divisors is an integer number (18774840).

Almost surely, 2^315415625 is an apocalyptic number.

315415625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315415625 is a deficient number, since it is larger than the sum of its proper divisors (135180535).

315415625 is an frugal number, since it uses more digits than its factorization.

315415625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451 (or 14431 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 315415625 is about 17759.9443974355. The cubic root of 315415625 is about 680.7083341268.

The spelling of 315415625 in words is "three hundred fifteen million, four hundred fifteen thousand, six hundred twenty-five".