316454561 has 2 divisors, whose sum is σ = 316454562. Its totient is φ = 316454560.

The previous prime is 316454549. The next prime is 316454563. The reversal of 316454561 is 165454613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166539025 + 149915536 = 12905^2 + 12244^2 .

It is an emirp because it is prime and its reverse (165454613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316454561 - 2⁶ = 316454497 is a prime.

Together with 316454563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316454563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158227280 + 158227281.

It is an arithmetic number, because the mean of its divisors is an integer number (158227281).

Almost surely, 2^316454561 is an apocalyptic number.

It is an amenable number.

316454561 is a deficient number, since it is larger than the sum of its proper divisors (1).

316454561 is an equidigital number, since it uses as much as digits as its factorization.

316454561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 316454561 is about 17789.1697670240. The cubic root of 316454561 is about 681.4549017966.

The spelling of 316454561 in words is "three hundred sixteen million, four hundred fifty-four thousand, five hundred sixty-one".