316459289 has 2 divisors, whose sum is σ = 316459290. Its totient is φ = 316459288.

The previous prime is 316459271. The next prime is 316459333. The reversal of 316459289 is 982954613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294294025 + 22165264 = 17155^2 + 4708^2 .

It is an emirp because it is prime and its reverse (982954613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316459289 - 2¹² = 316455193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (316459229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158229644 + 158229645.

It is an arithmetic number, because the mean of its divisors is an integer number (158229645).

Almost surely, 2^316459289 is an apocalyptic number.

It is an amenable number.

316459289 is a deficient number, since it is larger than the sum of its proper divisors (1).

316459289 is an equidigital number, since it uses as much as digits as its factorization.

316459289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 316459289 is about 17789.3026563719. The cubic root of 316459289 is about 681.4582955464.

The spelling of 316459289 in words is "three hundred sixteen million, four hundred fifty-nine thousand, two hundred eighty-nine".