315115525 has 24 divisors (see below), whose sum is σ = 409616640. Its totient is φ = 240018240.

The previous prime is 315115511. The next prime is 315115531. The reversal of 315115525 is 525511513.

It is not a de Polignac number, because 315115525 - 2⁷ = 315115397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315115493 and 315115502.

It is a congruent number.

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, 136279 + ... + 138571.

It is an arithmetic number, because the mean of its divisors is an integer number (17067360).

Almost surely, 2^315115525 is an apocalyptic number.

It is an amenable number.

315115525 is a deficient number, since it is larger than the sum of its proper divisors (94501115).

315115525 is a wasteful number, since it uses less digits than its factorization.

315115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2560 counting only the distinct ones).

The product of its digits is 3750, while the sum is 28.

The square root of 315115525 is about 17751.4935991313. The cubic root of 315115525 is about 680.4923805550.

The spelling of 315115525 in words is "three hundred fifteen million, one hundred fifteen thousand, five hundred twenty-five".