320495683 has 2 divisors, whose sum is σ = 320495684. Its totient is φ = 320495682.

The previous prime is 320495603. The next prime is 320495687. The reversal of 320495683 is 386594023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320495683 is a prime.

It is not a weakly prime, because it can be changed into another prime (320495687) 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, 160247841 + 160247842.

It is an arithmetic number, because the mean of its divisors is an integer number (160247842).

Almost surely, 2^320495683 is an apocalyptic number.

320495683 is a deficient number, since it is larger than the sum of its proper divisors (1).

320495683 is an equidigital number, since it uses as much as digits as its factorization.

320495683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 320495683 is about 17902.3932199022. The cubic root of 320495683 is about 684.3433656430.

The spelling of 320495683 in words is "three hundred twenty million, four hundred ninety-five thousand, six hundred eighty-three".