82339321 has 2 divisors, whose sum is σ = 82339322. Its totient is φ = 82339320.

The previous prime is 82339303. The next prime is 82339343. The reversal of 82339321 is 12393328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 2433600 = 8939^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 82339321 - 2⁵ = 82339289 is a prime.

It is not a weakly prime, because it can be changed into another prime (82339351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41169660 + 41169661.

It is an arithmetic number, because the mean of its divisors is an integer number (41169661).

Almost surely, 2^82339321 is an apocalyptic number.

It is an amenable number.

82339321 is a deficient number, since it is larger than the sum of its proper divisors (1).

82339321 is an equidigital number, since it uses as much as digits as its factorization.

82339321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 82339321 is about 9074.1016635257. The cubic root of 82339321 is about 435.0465815269.

The spelling of 82339321 in words is "eighty-two million, three hundred thirty-nine thousand, three hundred twenty-one".