2551188 has 24 divisors (see below), whose sum is σ = 6158880. Its totient is φ = 820960.

The previous prime is 2551177. The next prime is 2551223. The reversal of 2551188 is 8811552.

It is a super-2 number, since 2×2551188² = 13017120422688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (256620).

2^2551188 is an apocalyptic number.

It is an amenable number.

2551188 is an abundant number, since it is smaller than the sum of its proper divisors (3607692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551188 is a wasteful number, since it uses less digits than its factorization.

2551188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367 (or 7365 counting only the distinct ones).

The product of its digits is 3200, while the sum is 30.

The square root of 2551188 is about 1597.2438761817. The cubic root of 2551188 is about 136.6409337498.

The spelling of 2551188 in words is "two million, five hundred fifty-one thousand, one hundred eighty-eight".