315234025 has 12 divisors (see below), whose sum is σ = 392519644. Its totient is φ = 251136000.

The previous prime is 315234011. The next prime is 315234037. The reversal of 315234025 is 520432513.

It can be written as a sum of positive squares in 6 ways, for example, as 4804864 + 310429161 = 2192^2 + 17619^2 .

It is a de Polignac number, because none of the positive numbers 2^k-315234025 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20136 + ... + 32185.

Almost surely, 2^315234025 is an apocalyptic number.

It is an amenable number.

315234025 is a deficient number, since it is larger than the sum of its proper divisors (77285619).

315234025 is a wasteful number, since it uses less digits than its factorization.

315234025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52572 (or 52567 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 315234025 is about 17754.8310327077. The cubic root of 315234025 is about 680.5776701654.

Adding to 315234025 its reverse (520432513), we get a palindrome (835666538).

The spelling of 315234025 in words is "three hundred fifteen million, two hundred thirty-four thousand, twenty-five".