317026961 has 2 divisors, whose sum is σ = 317026962. Its totient is φ = 317026960.

The previous prime is 317026939. The next prime is 317026967. The reversal of 317026961 is 169620713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197233936 + 119793025 = 14044^2 + 10945^2 .

It is a cyclic number.

It is not a de Polignac number, because 317026961 - 2¹⁰ = 317025937 is a prime.

It is not a weakly prime, because it can be changed into another prime (317026967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158513480 + 158513481.

It is an arithmetic number, because the mean of its divisors is an integer number (158513481).

Almost surely, 2^317026961 is an apocalyptic number.

It is an amenable number.

317026961 is a deficient number, since it is larger than the sum of its proper divisors (1).

317026961 is an equidigital number, since it uses as much as digits as its factorization.

317026961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 317026961 is about 17805.2509389786. The cubic root of 317026961 is about 681.8655240345.

The spelling of 317026961 in words is "three hundred seventeen million, twenty-six thousand, nine hundred sixty-one".