82694251 has 8 divisors (see below), whose sum is σ = 87488000. Its totient is φ = 77944680.

The previous prime is 82694243. The next prime is 82694279. The reversal of 82694251 is 15249628.

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 82694251 - 2³ = 82694243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82694251.

It is not an unprimeable number, because it can be changed into a prime (82694221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7155 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (10936000).

Almost surely, 2^82694251 is an apocalyptic number.

82694251 is a deficient number, since it is larger than the sum of its proper divisors (4793749).

82694251 is a wasteful number, since it uses less digits than its factorization.

82694251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22089.

The product of its digits is 34560, while the sum is 37.

The square root of 82694251 is about 9093.6379408903. The cubic root of 82694251 is about 435.6707861156.

The spelling of 82694251 in words is "eighty-two million, six hundred ninety-four thousand, two hundred fifty-one".