315379873 has 8 divisors (see below), whose sum is σ = 320547240. Its totient is φ = 310252800.

The previous prime is 315379871. The next prime is 315379877. The reversal of 315379873 is 378973513.

It can be written as a sum of positive squares in 4 ways, for example, as 178302609 + 137077264 = 13353^2 + 11708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315379873 - 2¹ = 315379871 is a prime.

It is a super-2 number, since 2×315379873² = 198928928586992258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315379871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 25801.

It is an arithmetic number, because the mean of its divisors is an integer number (40068405).

Almost surely, 2^315379873 is an apocalyptic number.

It is an amenable number.

315379873 is a deficient number, since it is larger than the sum of its proper divisors (5167367).

315379873 is a wasteful number, since it uses less digits than its factorization.

315379873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147.

The product of its digits is 476280, while the sum is 46.

The square root of 315379873 is about 17758.9378342287. The cubic root of 315379873 is about 680.6826139848.

The spelling of 315379873 in words is "three hundred fifteen million, three hundred seventy-nine thousand, eight hundred seventy-three".