315116525 has 6 divisors (see below), whose sum is σ = 390744522. Its totient is φ = 252093200.

The previous prime is 315116521. The next prime is 315116533. The reversal of 315116525 is 525611513.

It can be written as a sum of positive squares in 3 ways, for example, as 97199881 + 217916644 = 9859^2 + 14762^2 .

It is not a de Polignac number, because 315116525 - 2² = 315116521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315116521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6302306 + ... + 6302355.

It is an arithmetic number, because the mean of its divisors is an integer number (65124087).

Almost surely, 2^315116525 is an apocalyptic number.

It is an amenable number.

315116525 is a deficient number, since it is larger than the sum of its proper divisors (75627997).

315116525 is a wasteful number, since it uses less digits than its factorization.

315116525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604671 (or 12604666 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 315116525 is about 17751.5217657529. The cubic root of 315116525 is about 680.4931003880.

The spelling of 315116525 in words is "three hundred fifteen million, one hundred sixteen thousand, five hundred twenty-five".