315591163 has 2 divisors, whose sum is σ = 315591164. Its totient is φ = 315591162.

The previous prime is 315591151. The next prime is 315591169. The reversal of 315591163 is 361195513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315591163 - 2⁵ = 315591131 is a prime.

It is not a weakly prime, because it can be changed into another prime (315591169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157795581 + 157795582.

It is an arithmetic number, because the mean of its divisors is an integer number (157795582).

Almost surely, 2^315591163 is an apocalyptic number.

315591163 is a deficient number, since it is larger than the sum of its proper divisors (1).

315591163 is an equidigital number, since it uses as much as digits as its factorization.

315591163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 34.

The square root of 315591163 is about 17764.8856737104. The cubic root of 315591163 is about 680.8345887258.

The spelling of 315591163 in words is "three hundred fifteen million, five hundred ninety-one thousand, one hundred sixty-three".