82874251 has 8 divisors (see below), whose sum is σ = 83623680. Its totient is φ = 82128168.

The previous prime is 82874227. The next prime is 82874273. The reversal of 82874251 is 15247828.

82874251 = 3714² + 3715² + ... + 3719².

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 82874251 - 2¹³ = 82866059 is a prime.

It is a super-2 number, since 2×82874251² = 13736282957622002, which contains 22 as substring.

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 82874251.

It is not an unprimeable number, because it can be changed into a prime (82874851) 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, 80820 + ... + 81838.

It is an arithmetic number, because the mean of its divisors is an integer number (10452960).

Almost surely, 2^82874251 is an apocalyptic number.

82874251 is a deficient number, since it is larger than the sum of its proper divisors (749429).

82874251 is a wasteful number, since it uses less digits than its factorization.

82874251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its digits is 35840, while the sum is 37.

The square root of 82874251 is about 9103.5295902194. The cubic root of 82874251 is about 435.9866642247.

The spelling of 82874251 in words is "eighty-two million, eight hundred seventy-four thousand, two hundred fifty-one".