318482761 has 2 divisors, whose sum is σ = 318482762. Its totient is φ = 318482760.

The previous prime is 318482753. The next prime is 318482779. The reversal of 318482761 is 167284813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211877136 + 106605625 = 14556^2 + 10325^2 .

It is a cyclic number.

It is not a de Polignac number, because 318482761 - 2³ = 318482753 is a prime.

It is not a weakly prime, because it can be changed into another prime (318482741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159241380 + 159241381.

It is an arithmetic number, because the mean of its divisors is an integer number (159241381).

Almost surely, 2^318482761 is an apocalyptic number.

It is an amenable number.

318482761 is a deficient number, since it is larger than the sum of its proper divisors (1).

318482761 is an equidigital number, since it uses as much as digits as its factorization.

318482761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 318482761 is about 17846.0853130315. The cubic root of 318482761 is about 682.9076480725.

The spelling of 318482761 in words is "three hundred eighteen million, four hundred eighty-two thousand, seven hundred sixty-one".