317256713 has 2 divisors, whose sum is σ = 317256714. Its totient is φ = 317256712.

The previous prime is 317256691. The next prime is 317256727. The reversal of 317256713 is 317652713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255744064 + 61512649 = 15992^2 + 7843^2 .

It is a cyclic number.

It is not a de Polignac number, because 317256713 - 2¹⁸ = 316994569 is a prime.

It is not a weakly prime, because it can be changed into another prime (317256743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158628356 + 158628357.

It is an arithmetic number, because the mean of its divisors is an integer number (158628357).

Almost surely, 2^317256713 is an apocalyptic number.

It is an amenable number.

317256713 is a deficient number, since it is larger than the sum of its proper divisors (1).

317256713 is an equidigital number, since it uses as much as digits as its factorization.

317256713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 35.

The square root of 317256713 is about 17811.7015750882. The cubic root of 317256713 is about 682.0302020778.

The spelling of 317256713 in words is "three hundred seventeen million, two hundred fifty-six thousand, seven hundred thirteen".