82556297 has 2 divisors, whose sum is σ = 82556298. Its totient is φ = 82556296.

The previous prime is 82556219. The next prime is 82556321. The reversal of 82556297 is 79265528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49505296 + 33051001 = 7036^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 82556297 - 2¹² = 82552201 is a prime.

It is equal to p_4809887 and since 82556297 and 4809887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82556207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41278148 + 41278149.

It is an arithmetic number, because the mean of its divisors is an integer number (41278149).

Almost surely, 2^82556297 is an apocalyptic number.

It is an amenable number.

82556297 is a deficient number, since it is larger than the sum of its proper divisors (1).

82556297 is an equidigital number, since it uses as much as digits as its factorization.

82556297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 82556297 is about 9086.0495816389. The cubic root of 82556297 is about 435.4283832087.

The spelling of 82556297 in words is "eighty-two million, five hundred fifty-six thousand, two hundred ninety-seven".