82396251 has 32 divisors (see below), whose sum is σ = 139937280. Its totient is φ = 46938528.

The previous prime is 82396247. The next prime is 82396253. The reversal of 82396251 is 15269328.

82396251 is a `hidden beast` number, since 8 + 23 + 9 + 625 + 1 = 666.

It is not a de Polignac number, because 82396251 - 2² = 82396247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82396253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102985 + ... + 103781.

It is an arithmetic number, because the mean of its divisors is an integer number (4373040).

Almost surely, 2^82396251 is an apocalyptic number.

82396251 is a deficient number, since it is larger than the sum of its proper divisors (57541029).

82396251 is a wasteful number, since it uses less digits than its factorization.

82396251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1354 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 82396251 is about 9077.2380711315. The cubic root of 82396251 is about 435.1468232085.

The spelling of 82396251 in words is "eighty-two million, three hundred ninety-six thousand, two hundred fifty-one".