315659 has 4 divisors (see below), whose sum is σ = 323400. Its totient is φ = 307920.

The previous prime is 315643. The next prime is 315671. The reversal of 315659 is 956513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315659 - 2⁴ = 315643 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315659.

It is not an unprimeable number, because it can be changed into a prime (315059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (80850).

2³¹⁵⁶⁵⁹ is an apocalyptic number.

315659 is a deficient number, since it is larger than the sum of its proper divisors (7741).

315659 is an equidigital number, since it uses as much as digits as its factorization.

315659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740.

The product of its digits is 4050, while the sum is 29.

The square root of 315659 is about 561.8353851441. The cubic root of 315659 is about 68.0883367518.

The spelling of 315659 in words is "three hundred fifteen thousand, six hundred fifty-nine".