486315931 has 2 divisors, whose sum is σ = 486315932. Its totient is φ = 486315930.

The previous prime is 486315917. The next prime is 486315961. The reversal of 486315931 is 139513684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486315931 - 2⁵ = 486315899 is a prime.

It is a super-2 number, since 2×486315931² = 473006369488793522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486315911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243157965 + 243157966.

It is an arithmetic number, because the mean of its divisors is an integer number (243157966).

Almost surely, 2^486315931 is an apocalyptic number.

486315931 is a deficient number, since it is larger than the sum of its proper divisors (1).

486315931 is an equidigital number, since it uses as much as digits as its factorization.

486315931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 486315931 is about 22052.5719815173. The cubic root of 486315931 is about 786.3927462673.

The spelling of 486315931 in words is "four hundred eighty-six million, three hundred fifteen thousand, nine hundred thirty-one".