315120525 has 24 divisors (see below), whose sum is σ = 538968480. Its totient is φ = 162267840.

The previous prime is 315120523. The next prime is 315120577. The reversal of 315120525 is 525021513.

It is a happy number.

It is not a de Polignac number, because 315120525 - 2¹ = 315120523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315120495 and 315120504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315120523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70267 + ... + 74616.

It is an arithmetic number, because the mean of its divisors is an integer number (22457020).

Almost surely, 2^315120525 is an apocalyptic number.

It is an amenable number.

315120525 is a deficient number, since it is larger than the sum of its proper divisors (223847955).

315120525 is a wasteful number, since it uses less digits than its factorization.

315120525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144925 (or 144920 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 315120525 is about 17751.6344317925. The cubic root of 315120525 is about 680.4959797047.

The spelling of 315120525 in words is "three hundred fifteen million, one hundred twenty thousand, five hundred twenty-five".