82522717 has 2 divisors, whose sum is σ = 82522718. Its totient is φ = 82522716.

The previous prime is 82522697. The next prime is 82522729. The reversal of 82522717 is 71722528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41293476 + 41229241 = 6426^2 + 6421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82522717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82522417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41261358 + 41261359.

It is an arithmetic number, because the mean of its divisors is an integer number (41261359).

Almost surely, 2^82522717 is an apocalyptic number.

It is an amenable number.

82522717 is a deficient number, since it is larger than the sum of its proper divisors (1).

82522717 is an equidigital number, since it uses as much as digits as its factorization.

82522717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 34.

The square root of 82522717 is about 9084.2015059112. The cubic root of 82522717 is about 435.3693379731.

The spelling of 82522717 in words is "eighty-two million, five hundred twenty-two thousand, seven hundred seventeen".