315244525 has 6 divisors (see below), whose sum is σ = 390903242. Its totient is φ = 252195600.

The previous prime is 315244513. The next prime is 315244537. The reversal of 315244525 is 525442513.

It is an interprime number because it is at equal distance from previous prime (315244513) and next prime (315244537).

It can be written as a sum of positive squares in 3 ways, for example, as 48804196 + 266440329 = 6986^2 + 16323^2 .

It is not a de Polignac number, because 315244525 - 2¹³ = 315236333 is a prime.

It is a super-2 number, since 2×315244525² = 198758221084951250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6304866 + ... + 6304915.

Almost surely, 2^315244525 is an apocalyptic number.

It is an amenable number.

315244525 is a deficient number, since it is larger than the sum of its proper divisors (75658717).

315244525 is a wasteful number, since it uses less digits than its factorization.

315244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609791 (or 12609786 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 315244525 is about 17755.1267244140. The cubic root of 315244525 is about 680.5852264417.

The spelling of 315244525 in words is "three hundred fifteen million, two hundred forty-four thousand, five hundred twenty-five".