317040617 has 2 divisors, whose sum is σ = 317040618. Its totient is φ = 317040616.

The previous prime is 317040613. The next prime is 317040623. The reversal of 317040617 is 716040713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234212416 + 82828201 = 15304^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 317040617 - 2² = 317040613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317040617.

It is not a weakly prime, because it can be changed into another prime (317040611) 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, 158520308 + 158520309.

It is an arithmetic number, because the mean of its divisors is an integer number (158520309).

Almost surely, 2^317040617 is an apocalyptic number.

It is an amenable number.

317040617 is a deficient number, since it is larger than the sum of its proper divisors (1).

317040617 is an equidigital number, since it uses as much as digits as its factorization.

317040617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 317040617 is about 17805.6344172287. The cubic root of 317040617 is about 681.8753143920.

The spelling of 317040617 in words is "three hundred seventeen million, forty thousand, six hundred seventeen".