82247017 has 2 divisors, whose sum is σ = 82247018. Its totient is φ = 82247016.

The previous prime is 82246993. The next prime is 82247023. The reversal of 82247017 is 71074228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 256 = 9069^2 + 16^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82247017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82247017.

It is not a weakly prime, because it can be changed into another prime (82247047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41123508 + 41123509.

It is an arithmetic number, because the mean of its divisors is an integer number (41123509).

Almost surely, 2^82247017 is an apocalyptic number.

It is an amenable number.

82247017 is a deficient number, since it is larger than the sum of its proper divisors (1).

82247017 is an equidigital number, since it uses as much as digits as its factorization.

82247017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 82247017 is about 9069.0141140038. The cubic root of 82247017 is about 434.8839554816.

The spelling of 82247017 in words is "eighty-two million, two hundred forty-seven thousand, seventeen".