317041897 has 2 divisors, whose sum is σ = 317041898. Its totient is φ = 317041896.

The previous prime is 317041871. The next prime is 317041943. The reversal of 317041897 is 798140713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250145856 + 66896041 = 15816^2 + 8179^2 .

It is a cyclic number.

It is not a de Polignac number, because 317041897 - 2¹⁹ = 316517609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (317041597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158520948 + 158520949.

It is an arithmetic number, because the mean of its divisors is an integer number (158520949).

Almost surely, 2^317041897 is an apocalyptic number.

It is an amenable number.

317041897 is a deficient number, since it is larger than the sum of its proper divisors (1).

317041897 is an equidigital number, since it uses as much as digits as its factorization.

317041897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 317041897 is about 17805.6703608710. The cubic root of 317041897 is about 681.8762320444.

The spelling of 317041897 in words is "three hundred seventeen million, forty-one thousand, eight hundred ninety-seven".