317663 has 2 divisors, whose sum is σ = 317664. Its totient is φ = 317662.

The previous prime is 317651. The next prime is 317671. The reversal of 317663 is 366713.

It is a strong prime.

It is an emirp because it is prime and its reverse (366713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317663 - 2⁶ = 317599 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158831 + 158832.

It is an arithmetic number, because the mean of its divisors is an integer number (158832).

2³¹⁷⁶⁶³ is an apocalyptic number.

317663 is a deficient number, since it is larger than the sum of its proper divisors (1).

317663 is an equidigital number, since it uses as much as digits as its factorization.

317663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 26.

The square root of 317663 is about 563.6160040311. The cubic root of 317663 is about 68.2321219615.

The spelling of 317663 in words is "three hundred seventeen thousand, six hundred sixty-three".