317289617 has 2 divisors, whose sum is σ = 317289618. Its totient is φ = 317289616.

The previous prime is 317289593. The next prime is 317289629. The reversal of 317289617 is 716982713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314317441 + 2972176 = 17729^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 317289617 - 2¹⁴ = 317273233 is a prime.

It is not a weakly prime, because it can be changed into another prime (317289697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158644808 + 158644809.

It is an arithmetic number, because the mean of its divisors is an integer number (158644809).

Almost surely, 2^317289617 is an apocalyptic number.

It is an amenable number.

317289617 is a deficient number, since it is larger than the sum of its proper divisors (1).

317289617 is an equidigital number, since it uses as much as digits as its factorization.

317289617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 317289617 is about 17812.6252135950. The cubic root of 317289617 is about 682.0537799828.

The spelling of 317289617 in words is "three hundred seventeen million, two hundred eighty-nine thousand, six hundred seventeen".