315479 has 4 divisors (see below), whose sum is σ = 316680. Its totient is φ = 314280.

The previous prime is 315467. The next prime is 315481. The reversal of 315479 is 974513.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 315479 - 2⁸ = 315223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315479.

It is not an unprimeable number, because it can be changed into a prime (315409) 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, 17 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (79170).

2³¹⁵⁴⁷⁹ is an apocalyptic number.

315479 is a deficient number, since it is larger than the sum of its proper divisors (1201).

315479 is an equidigital number, since it uses as much as digits as its factorization.

315479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 3780, while the sum is 29.

The square root of 315479 is about 561.6751730315. The cubic root of 315479 is about 68.0753921597.

The spelling of 315479 in words is "three hundred fifteen thousand, four hundred seventy-nine".