316317697 has 2 divisors, whose sum is σ = 316317698. Its totient is φ = 316317696.

The previous prime is 316317647. The next prime is 316317721. The reversal of 316317697 is 796713613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188265841 + 128051856 = 13721^2 + 11316^2 .

It is a cyclic number.

It is not a de Polignac number, because 316317697 - 2¹⁵ = 316284929 is a prime.

It is not a weakly prime, because it can be changed into another prime (316317607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158158848 + 158158849.

It is an arithmetic number, because the mean of its divisors is an integer number (158158849).

Almost surely, 2^316317697 is an apocalyptic number.

It is an amenable number.

316317697 is a deficient number, since it is larger than the sum of its proper divisors (1).

316317697 is an equidigital number, since it uses as much as digits as its factorization.

316317697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 316317697 is about 17785.3225160524. The cubic root of 316317697 is about 681.3566464133.

The spelling of 316317697 in words is "three hundred sixteen million, three hundred seventeen thousand, six hundred ninety-seven".