315151925 has 24 divisors (see below), whose sum is σ = 433326432. Its totient is φ = 225432000.

The previous prime is 315151901. The next prime is 315151943. The reversal of 315151925 is 529151513.

It is not a de Polignac number, because 315151925 - 2¹⁶ = 315086389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315151891 and 315151900.

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, 7382 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (18055268).

Almost surely, 2^315151925 is an apocalyptic number.

It is an amenable number.

315151925 is a deficient number, since it is larger than the sum of its proper divisors (118174507).

315151925 is a wasteful number, since it uses less digits than its factorization.

315151925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18869 (or 18864 counting only the distinct ones).

The product of its digits is 6750, while the sum is 32.

The square root of 315151925 is about 17752.5188353653. The cubic root of 315151925 is about 680.5185814951.

The spelling of 315151925 in words is "three hundred fifteen million, one hundred fifty-one thousand, nine hundred twenty-five".