82313969 has 2 divisors, whose sum is σ = 82313970. Its totient is φ = 82313968.

The previous prime is 82313963. The next prime is 82313999. The reversal of 82313969 is 96931328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 5085025 = 8788^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 82313969 - 2¹² = 82309873 is a prime.

It is a super-2 number, since 2×82313969² = 13551178985065922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82313963) 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, 41156984 + 41156985.

It is an arithmetic number, because the mean of its divisors is an integer number (41156985).

Almost surely, 2^82313969 is an apocalyptic number.

It is an amenable number.

82313969 is a deficient number, since it is larger than the sum of its proper divisors (1).

82313969 is an equidigital number, since it uses as much as digits as its factorization.

82313969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 82313969 is about 9072.7046132892. The cubic root of 82313969 is about 435.0019271505.

The spelling of 82313969 in words is "eighty-two million, three hundred thirteen thousand, nine hundred sixty-nine".