82499259 has 8 divisors (see below), whose sum is σ = 110111040. Its totient is φ = 54943496.

The previous prime is 82499251. The next prime is 82499279. The reversal of 82499259 is 95299428.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82499259 - 2³ = 82499251 is a prime.

It is a super-2 number, since 2×82499259² = 13612255471098162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82499251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10437 + ... + 16550.

It is an arithmetic number, because the mean of its divisors is an integer number (13763880).

Almost surely, 2^82499259 is an apocalyptic number.

82499259 is a deficient number, since it is larger than the sum of its proper divisors (27611781).

82499259 is a wasteful number, since it uses less digits than its factorization.

82499259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28009.

The product of its digits is 466560, while the sum is 48.

The square root of 82499259 is about 9082.9102714934. The cubic root of 82499259 is about 435.3280812050.

The spelling of 82499259 in words is "eighty-two million, four hundred ninety-nine thousand, two hundred fifty-nine".