82068317 has 2 divisors, whose sum is σ = 82068318. Its totient is φ = 82068316.

The previous prime is 82068313. The next prime is 82068319. The reversal of 82068317 is 71386028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 26327161 = 7466^2 + 5131^2 .

It is a cyclic number.

It is not a de Polignac number, because 82068317 - 2² = 82068313 is a prime.

Together with 82068319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82068313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41034158 + 41034159.

It is an arithmetic number, because the mean of its divisors is an integer number (41034159).

Almost surely, 2^82068317 is an apocalyptic number.

It is an amenable number.

82068317 is a deficient number, since it is larger than the sum of its proper divisors (1).

82068317 is an equidigital number, since it uses as much as digits as its factorization.

82068317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 82068317 is about 9059.1565280660. The cubic root of 82068317 is about 434.5687662819.

The spelling of 82068317 in words is "eighty-two million, sixty-eight thousand, three hundred seventeen".