318552427 has 2 divisors, whose sum is σ = 318552428. Its totient is φ = 318552426.

The previous prime is 318552401. The next prime is 318552433. The reversal of 318552427 is 724255813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318552427 is a prime.

It is not a weakly prime, because it can be changed into another prime (318552457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159276213 + 159276214.

It is an arithmetic number, because the mean of its divisors is an integer number (159276214).

Almost surely, 2^318552427 is an apocalyptic number.

318552427 is a deficient number, since it is larger than the sum of its proper divisors (1).

318552427 is an equidigital number, since it uses as much as digits as its factorization.

318552427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 318552427 is about 17848.0370629378. The cubic root of 318552427 is about 682.9574382878.

The spelling of 318552427 in words is "three hundred eighteen million, five hundred fifty-two thousand, four hundred twenty-seven".