315591959 has 2 divisors, whose sum is σ = 315591960. Its totient is φ = 315591958.

The previous prime is 315591931. The next prime is 315592001. The reversal of 315591959 is 959195513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315591959 - 2¹² = 315587863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315591929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157795979 + 157795980.

It is an arithmetic number, because the mean of its divisors is an integer number (157795980).

Almost surely, 2^315591959 is an apocalyptic number.

315591959 is a deficient number, since it is larger than the sum of its proper divisors (1).

315591959 is an equidigital number, since it uses as much as digits as its factorization.

315591959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 273375, while the sum is 47.

The square root of 315591959 is about 17764.9080774430. The cubic root of 315591959 is about 680.8351611372.

The spelling of 315591959 in words is "three hundred fifteen million, five hundred ninety-one thousand, nine hundred fifty-nine".