82522397 has 2 divisors, whose sum is σ = 82522398. Its totient is φ = 82522396.

The previous prime is 82522379. The next prime is 82522399. The reversal of 82522397 is 79322528.

Together with previous prime (82522379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 3916441 = 8866^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 82522397 - 2¹² = 82518301 is a prime.

Together with 82522399, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82522397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82522399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41261198 + 41261199.

It is an arithmetic number, because the mean of its divisors is an integer number (41261199).

Almost surely, 2^82522397 is an apocalyptic number.

It is an amenable number.

82522397 is a deficient number, since it is larger than the sum of its proper divisors (1).

82522397 is an equidigital number, since it uses as much as digits as its factorization.

82522397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 82522397 is about 9084.1838928987. The cubic root of 82522397 is about 435.3687752255.

The spelling of 82522397 in words is "eighty-two million, five hundred twenty-two thousand, three hundred ninety-seven".