315164279 has 2 divisors, whose sum is σ = 315164280. Its totient is φ = 315164278.

The previous prime is 315164233. The next prime is 315164323. The reversal of 315164279 is 972461513.

It is a strong prime.

It is an emirp because it is prime and its reverse (972461513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315164279 - 2²⁸ = 46728823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315161279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157582139 + 157582140.

It is an arithmetic number, because the mean of its divisors is an integer number (157582140).

Almost surely, 2^315164279 is an apocalyptic number.

315164279 is a deficient number, since it is larger than the sum of its proper divisors (1).

315164279 is an equidigital number, since it uses as much as digits as its factorization.

315164279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 315164279 is about 17752.8667825791. The cubic root of 315164279 is about 680.5274735204.

The spelling of 315164279 in words is "three hundred fifteen million, one hundred sixty-four thousand, two hundred seventy-nine".