317345563 has 2 divisors, whose sum is σ = 317345564. Its totient is φ = 317345562.

The previous prime is 317345533. The next prime is 317345573. The reversal of 317345563 is 365543713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317345563 - 2⁹ = 317345051 is a prime.

It is not a weakly prime, because it can be changed into another prime (317345533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158672781 + 158672782.

It is an arithmetic number, because the mean of its divisors is an integer number (158672782).

Almost surely, 2^317345563 is an apocalyptic number.

317345563 is a deficient number, since it is larger than the sum of its proper divisors (1).

317345563 is an equidigital number, since it uses as much as digits as its factorization.

317345563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 37.

The square root of 317345563 is about 17814.1955473718. The cubic root of 317345563 is about 682.0938652721.

The spelling of 317345563 in words is "three hundred seventeen million, three hundred forty-five thousand, five hundred sixty-three".