318314459 has 2 divisors, whose sum is σ = 318314460. Its totient is φ = 318314458.

The previous prime is 318314453. The next prime is 318314471. The reversal of 318314459 is 954413813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318314459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318314453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159157229 + 159157230.

It is an arithmetic number, because the mean of its divisors is an integer number (159157230).

Almost surely, 2^318314459 is an apocalyptic number.

318314459 is a deficient number, since it is larger than the sum of its proper divisors (1).

318314459 is an equidigital number, since it uses as much as digits as its factorization.

318314459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 318314459 is about 17841.3693140409. The cubic root of 318314459 is about 682.7873328480.

The spelling of 318314459 in words is "three hundred eighteen million, three hundred fourteen thousand, four hundred fifty-nine".