317924897 has 2 divisors, whose sum is σ = 317924898. Its totient is φ = 317924896.

The previous prime is 317924881. The next prime is 317924903. The reversal of 317924897 is 798429713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179533201 + 138391696 = 13399^2 + 11764^2 .

It is a cyclic number.

It is not a de Polignac number, because 317924897 - 2⁴ = 317924881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317924807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158962448 + 158962449.

It is an arithmetic number, because the mean of its divisors is an integer number (158962449).

Almost surely, 2^317924897 is an apocalyptic number.

It is an amenable number.

317924897 is a deficient number, since it is larger than the sum of its proper divisors (1).

317924897 is an equidigital number, since it uses as much as digits as its factorization.

317924897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 317924897 is about 17830.4485922256. The cubic root of 317924897 is about 682.5086811635.

The spelling of 317924897 in words is "three hundred seventeen million, nine hundred twenty-four thousand, eight hundred ninety-seven".