317040697 has 2 divisors, whose sum is σ = 317040698. Its totient is φ = 317040696.

The previous prime is 317040643. The next prime is 317040719. The reversal of 317040697 is 796040713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304537401 + 12503296 = 17451^2 + 3536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317040697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317040617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158520348 + 158520349.

It is an arithmetic number, because the mean of its divisors is an integer number (158520349).

Almost surely, 2^317040697 is an apocalyptic number.

It is an amenable number.

317040697 is a deficient number, since it is larger than the sum of its proper divisors (1).

317040697 is an equidigital number, since it uses as much as digits as its factorization.

317040697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 317040697 is about 17805.6366637085. The cubic root of 317040697 is about 681.8753717453.

The spelling of 317040697 in words is "three hundred seventeen million, forty thousand, six hundred ninety-seven".