317197417 has 2 divisors, whose sum is σ = 317197418. Its totient is φ = 317197416.

The previous prime is 317197379. The next prime is 317197423. The reversal of 317197417 is 714791713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219662041 + 97535376 = 14821^2 + 9876^2 .

It is a cyclic number.

It is not a de Polignac number, because 317197417 - 2¹⁹ = 316673129 is a prime.

It is a super-2 number, since 2×317197417² = 201228402702943778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317197417.

It is not a weakly prime, because it can be changed into another prime (317197477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158598708 + 158598709.

It is an arithmetic number, because the mean of its divisors is an integer number (158598709).

Almost surely, 2^317197417 is an apocalyptic number.

It is an amenable number.

317197417 is a deficient number, since it is larger than the sum of its proper divisors (1).

317197417 is an equidigital number, since it uses as much as digits as its factorization.

317197417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 40.

The square root of 317197417 is about 17810.0369735720. The cubic root of 317197417 is about 681.9877084325.

The spelling of 317197417 in words is "three hundred seventeen million, one hundred ninety-seven thousand, four hundred seventeen".