313515225 has 24 divisors (see below), whose sum is σ = 575940320. Its totient is φ = 167207760.

The previous prime is 313515161. The next prime is 313515281. The reversal of 313515225 is 522515313.

It is a happy number.

313515225 is a `hidden beast` number, since 3 + 135 + 1 + 522 + 5 = 666.

It is not a de Polignac number, because 313515225 - 2⁶ = 313515161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 231559 + ... + 232908.

Almost surely, 2^313515225 is an apocalyptic number.

It is an amenable number.

313515225 is a deficient number, since it is larger than the sum of its proper divisors (262425095).

313515225 is a wasteful number, since it uses less digits than its factorization.

313515225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464486 (or 464475 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 313515225 is about 17706.3611450800. The cubic root of 313515225 is about 679.3384750247.

The spelling of 313515225 in words is "three hundred thirteen million, five hundred fifteen thousand, two hundred twenty-five".