315499 has 4 divisors (see below), whose sum is σ = 324064. Its totient is φ = 306936.

The previous prime is 315493. The next prime is 315517. The reversal of 315499 is 994513.

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 315499 - 2⁵ = 315467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315499.

It is not an unprimeable number, because it can be changed into a prime (315493) 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, 4227 + ... + 4300.

It is an arithmetic number, because the mean of its divisors is an integer number (81016).

2³¹⁵⁴⁹⁹ is an apocalyptic number.

315499 is a deficient number, since it is larger than the sum of its proper divisors (8565).

315499 is an equidigital number, since it uses as much as digits as its factorization.

315499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564.

The product of its digits is 4860, while the sum is 31.

The square root of 315499 is about 561.6929766340. The cubic root of 315499 is about 68.0768306909.

The spelling of 315499 in words is "three hundred fifteen thousand, four hundred ninety-nine".