317447401 has 2 divisors, whose sum is σ = 317447402. Its totient is φ = 317447400.

The previous prime is 317447329. The next prime is 317447411. The reversal of 317447401 is 104744713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294637225 + 22810176 = 17165^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 317447401 - 2²¹ = 315350249 is a prime.

It is not a weakly prime, because it can be changed into another prime (317447411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158723700 + 158723701.

It is an arithmetic number, because the mean of its divisors is an integer number (158723701).

Almost surely, 2^317447401 is an apocalyptic number.

It is an amenable number.

317447401 is a deficient number, since it is larger than the sum of its proper divisors (1).

317447401 is an equidigital number, since it uses as much as digits as its factorization.

317447401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 317447401 is about 17817.0536565393. The cubic root of 317447401 is about 682.1668200719.

The spelling of 317447401 in words is "three hundred seventeen million, four hundred forty-seven thousand, four hundred one".