82567897 has 2 divisors, whose sum is σ = 82567898. Its totient is φ = 82567896.

The previous prime is 82567879. The next prime is 82567921. The reversal of 82567897 is 79876528.

Together with previous prime (82567879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 48841 = 9084^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 82567897 - 2¹⁹ = 82043609 is a prime.

It is not a weakly prime, because it can be changed into another prime (82567847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41283948 + 41283949.

It is an arithmetic number, because the mean of its divisors is an integer number (41283949).

Almost surely, 2^82567897 is an apocalyptic number.

It is an amenable number.

82567897 is a deficient number, since it is larger than the sum of its proper divisors (1).

82567897 is an equidigital number, since it uses as much as digits as its factorization.

82567897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 82567897 is about 9086.6879004399. The cubic root of 82567897 is about 435.4487762935.

The spelling of 82567897 in words is "eighty-two million, five hundred sixty-seven thousand, eight hundred ninety-seven".