315612659 has 2 divisors, whose sum is σ = 315612660. Its totient is φ = 315612658.

The previous prime is 315612631. The next prime is 315612673. The reversal of 315612659 is 956216513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315612659 is a prime.

It is a super-2 number, since 2×315612659² = 199222701042100562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315618659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157806329 + 157806330.

It is an arithmetic number, because the mean of its divisors is an integer number (157806330).

Almost surely, 2^315612659 is an apocalyptic number.

315612659 is a deficient number, since it is larger than the sum of its proper divisors (1).

315612659 is an equidigital number, since it uses as much as digits as its factorization.

315612659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 315612659 is about 17765.4906771527. The cubic root of 315612659 is about 680.8500463704.

The spelling of 315612659 in words is "three hundred fifteen million, six hundred twelve thousand, six hundred fifty-nine".