315379679 has 2 divisors, whose sum is σ = 315379680. Its totient is φ = 315379678.

The previous prime is 315379591. The next prime is 315379693. The reversal of 315379679 is 976973513.

It is a strong prime.

It is an emirp because it is prime and its reverse (976973513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315379679 - 2²⁸ = 46944223 is a prime.

It is a super-2 number, since 2×315379679² = 198928683852286082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315379079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157689839 + 157689840.

It is an arithmetic number, because the mean of its divisors is an integer number (157689840).

Almost surely, 2^315379679 is an apocalyptic number.

315379679 is a deficient number, since it is larger than the sum of its proper divisors (1).

315379679 is an equidigital number, since it uses as much as digits as its factorization.

315379679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 50.

The square root of 315379679 is about 17758.9323721895. The cubic root of 315379679 is about 680.6824744151.

The spelling of 315379679 in words is "three hundred fifteen million, three hundred seventy-nine thousand, six hundred seventy-nine".