82943317 has 2 divisors, whose sum is σ = 82943318. Its totient is φ = 82943316.

The previous prime is 82943309. The next prime is 82943327. The reversal of 82943317 is 71334928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 14814801 = 8254^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 82943317 - 2³ = 82943309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82943327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41471658 + 41471659.

It is an arithmetic number, because the mean of its divisors is an integer number (41471659).

Almost surely, 2^82943317 is an apocalyptic number.

It is an amenable number.

82943317 is a deficient number, since it is larger than the sum of its proper divisors (1).

82943317 is an equidigital number, since it uses as much as digits as its factorization.

82943317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 82943317 is about 9107.3221640612. The cubic root of 82943317 is about 436.1077452342.

It can be divided in two parts, 8294 and 3317, that added together give a palindrome (11611).

The spelling of 82943317 in words is "eighty-two million, nine hundred forty-three thousand, three hundred seventeen".