316448563 has 2 divisors, whose sum is σ = 316448564. Its totient is φ = 316448562.

The previous prime is 316448543. The next prime is 316448569. The reversal of 316448563 is 365844613.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316448563 is a prime.

It is not a weakly prime, because it can be changed into another prime (316448569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158224281 + 158224282.

It is an arithmetic number, because the mean of its divisors is an integer number (158224282).

Almost surely, 2^316448563 is an apocalyptic number.

316448563 is a deficient number, since it is larger than the sum of its proper divisors (1).

316448563 is an equidigital number, since it uses as much as digits as its factorization.

316448563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 316448563 is about 17789.0011805048. The cubic root of 316448563 is about 681.4505963946.

The spelling of 316448563 in words is "three hundred sixteen million, four hundred forty-eight thousand, five hundred sixty-three".