315265259 has 2 divisors, whose sum is σ = 315265260. Its totient is φ = 315265258.

The previous prime is 315265231. The next prime is 315265267. The reversal of 315265259 is 952562513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315265259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (315267259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157632629 + 157632630.

It is an arithmetic number, because the mean of its divisors is an integer number (157632630).

Almost surely, 2^315265259 is an apocalyptic number.

315265259 is a deficient number, since it is larger than the sum of its proper divisors (1).

315265259 is an equidigital number, since it uses as much as digits as its factorization.

315265259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 315265259 is about 17755.7106025076. The cubic root of 315265259 is about 680.6001470759.

The spelling of 315265259 in words is "three hundred fifteen million, two hundred sixty-five thousand, two hundred fifty-nine".