2317506563 has 2 divisors, whose sum is σ = 2317506564. Its totient is φ = 2317506562.

The previous prime is 2317506559. The next prime is 2317506593. The reversal of 2317506563 is 3656057132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2317506563 - 2² = 2317506559 is a prime.

It is not a weakly prime, because it can be changed into another prime (2317506523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158753281 + 1158753282.

It is an arithmetic number, because the mean of its divisors is an integer number (1158753282).

Almost surely, 2^2317506563 is an apocalyptic number.

2317506563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2317506563 is an equidigital number, since it uses as much as digits as its factorization.

2317506563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2317506563 is about 48140.4877727677. The cubic root of 2317506563 is about 1323.3467574235.

The spelling of 2317506563 in words is "two billion, three hundred seventeen million, five hundred six thousand, five hundred sixty-three".