317960663 has 2 divisors, whose sum is σ = 317960664. Its totient is φ = 317960662.

The previous prime is 317960659. The next prime is 317960681. The reversal of 317960663 is 366069713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317960663 - 2² = 317960659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317960663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317960603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158980331 + 158980332.

It is an arithmetic number, because the mean of its divisors is an integer number (158980332).

Almost surely, 2^317960663 is an apocalyptic number.

317960663 is a deficient number, since it is larger than the sum of its proper divisors (1).

317960663 is an equidigital number, since it uses as much as digits as its factorization.

317960663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 317960663 is about 17831.4515113044. The cubic root of 317960663 is about 682.5342738852.

The spelling of 317960663 in words is "three hundred seventeen million, nine hundred sixty thousand, six hundred sixty-three".