318769051 has 2 divisors, whose sum is σ = 318769052. Its totient is φ = 318769050.

The previous prime is 318769043. The next prime is 318769069. The reversal of 318769051 is 150967813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318769051 - 2³ = 318769043 is a prime.

It is a super-2 number, since 2×318769051² = 203227415750881202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318768995 and 318769013.

It is not a weakly prime, because it can be changed into another prime (318769021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159384525 + 159384526.

It is an arithmetic number, because the mean of its divisors is an integer number (159384526).

Almost surely, 2^318769051 is an apocalyptic number.

318769051 is a deficient number, since it is larger than the sum of its proper divisors (1).

318769051 is an equidigital number, since it uses as much as digits as its factorization.

318769051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 318769051 is about 17854.1045981029. The cubic root of 318769051 is about 683.1122128626.

The spelling of 318769051 in words is "three hundred eighteen million, seven hundred sixty-nine thousand, fifty-one".