317615413 has 2 divisors, whose sum is σ = 317615414. Its totient is φ = 317615412.

The previous prime is 317615399. The next prime is 317615503. The reversal of 317615413 is 314516713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207302404 + 110313009 = 14398^2 + 10503^2 .

It is a cyclic number.

It is not a de Polignac number, because 317615413 - 2²⁵ = 284060981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317615213) 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, 158807706 + 158807707.

It is an arithmetic number, because the mean of its divisors is an integer number (158807707).

Almost surely, 2^317615413 is an apocalyptic number.

It is an amenable number.

317615413 is a deficient number, since it is larger than the sum of its proper divisors (1).

317615413 is an equidigital number, since it uses as much as digits as its factorization.

317615413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 317615413 is about 17821.7679538255. The cubic root of 317615413 is about 682.2871465653.

The spelling of 317615413 in words is "three hundred seventeen million, six hundred fifteen thousand, four hundred thirteen".