318479713 has 2 divisors, whose sum is σ = 318479714. Its totient is φ = 318479712.

The previous prime is 318479671. The next prime is 318479737. The reversal of 318479713 is 317974813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241864704 + 76615009 = 15552^2 + 8753^2 .

It is a cyclic number.

It is not a de Polignac number, because 318479713 - 2²⁵ = 284925281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318479713.

It is not a weakly prime, because it can be changed into another prime (318479753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159239856 + 159239857.

It is an arithmetic number, because the mean of its divisors is an integer number (159239857).

Almost surely, 2^318479713 is an apocalyptic number.

It is an amenable number.

318479713 is a deficient number, since it is larger than the sum of its proper divisors (1).

318479713 is an equidigital number, since it uses as much as digits as its factorization.

318479713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 318479713 is about 17845.9999159476. Note that the first 4 decimals coincide. The cubic root of 318479713 is about 682.9054695044.

It can be divided in two parts, 31 and 8479713, that added together give a square (8479744 = 2912²).

The spelling of 318479713 in words is "three hundred eighteen million, four hundred seventy-nine thousand, seven hundred thirteen".