315995 has 4 divisors (see below), whose sum is σ = 379200. Its totient is φ = 252792.

The previous prime is 315977. The next prime is 316003. The reversal of 315995 is 599513.

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 315995 - 2⁸ = 315739 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315995.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31595 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (94800).

2³¹⁵⁹⁹⁵ is an apocalyptic number.

315995 is a deficient number, since it is larger than the sum of its proper divisors (63205).

315995 is an equidigital number, since it uses as much as digits as its factorization.

315995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63204.

The product of its digits is 6075, while the sum is 32.

The square root of 315995 is about 562.1343255842. The cubic root of 315995 is about 68.1124868300.

The spelling of 315995 in words is "three hundred fifteen thousand, nine hundred ninety-five".