82315357 has 2 divisors, whose sum is σ = 82315358. Its totient is φ = 82315356.

The previous prime is 82315351. The next prime is 82315379. The reversal of 82315357 is 75351328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54552996 + 27762361 = 7386^2 + 5269^2 .

It is a cyclic number.

It is not a de Polignac number, because 82315357 - 2³ = 82315349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82315351) 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, 41157678 + 41157679.

It is an arithmetic number, because the mean of its divisors is an integer number (41157679).

Almost surely, 2^82315357 is an apocalyptic number.

It is an amenable number.

82315357 is a deficient number, since it is larger than the sum of its proper divisors (1).

82315357 is an equidigital number, since it uses as much as digits as its factorization.

82315357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 82315357 is about 9072.7811061438. The cubic root of 82315357 is about 435.0043721761.

The spelling of 82315357 in words is "eighty-two million, three hundred fifteen thousand, three hundred fifty-seven".