82544459 has 2 divisors, whose sum is σ = 82544460. Its totient is φ = 82544458.

The previous prime is 82544393. The next prime is 82544467. The reversal of 82544459 is 95444528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82544459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82544159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41272229 + 41272230.

It is an arithmetic number, because the mean of its divisors is an integer number (41272230).

Almost surely, 2^82544459 is an apocalyptic number.

82544459 is a deficient number, since it is larger than the sum of its proper divisors (1).

82544459 is an equidigital number, since it uses as much as digits as its factorization.

82544459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 82544459 is about 9085.3981200606. The cubic root of 82544459 is about 435.4075697445.

The spelling of 82544459 in words is "eighty-two million, five hundred forty-four thousand, four hundred fifty-nine".