315583963 has 2 divisors, whose sum is σ = 315583964. Its totient is φ = 315583962.

The previous prime is 315583871. The next prime is 315583993. The reversal of 315583963 is 369385513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315583963 is a prime.

It is not a weakly prime, because it can be changed into another prime (315583993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157791981 + 157791982.

It is an arithmetic number, because the mean of its divisors is an integer number (157791982).

Almost surely, 2^315583963 is an apocalyptic number.

315583963 is a deficient number, since it is larger than the sum of its proper divisors (1).

315583963 is an equidigital number, since it uses as much as digits as its factorization.

315583963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 43.

The square root of 315583963 is about 17764.6830255989. The cubic root of 315583963 is about 680.8294110921.

The spelling of 315583963 in words is "three hundred fifteen million, five hundred eighty-three thousand, nine hundred sixty-three".