2521188 has 36 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 825456.

The previous prime is 2521171. The next prime is 2521223. The reversal of 2521188 is 8811252.

It is a tau number, because it is divible by the number of its divisors (36).

2521188 is a modest number, since divided by 1188 gives 252 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^2521188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243240).

2521188 is an abundant number, since it is smaller than the sum of its proper divisors (3965292).

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

2521188 is a wasteful number, since it uses less digits than its factorization.

2521188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1251 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2521188 is about 1587.8249273771. The cubic root of 2521188 is about 136.1032232491.

Subtracting 2521188 from its reverse (8811252), we obtain a square (6290064 = 2508²).

The spelling of 2521188 in words is "two million, five hundred twenty-one thousand, one hundred eighty-eight".