2581188 has 24 divisors (see below), whose sum is σ = 6340320. Its totient is φ = 815040.

The previous prime is 2581181. The next prime is 2581211. The reversal of 2581188 is 8811852.

2581188 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2581181) 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, 5433 + ... + 5888.

It is an arithmetic number, because the mean of its divisors is an integer number (264180).

2^2581188 is an apocalyptic number.

It is an amenable number.

2581188 is an abundant number, since it is smaller than the sum of its proper divisors (3759132).

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

2581188 is a wasteful number, since it uses less digits than its factorization.

2581188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347 (or 11345 counting only the distinct ones).

The product of its digits is 5120, while the sum is 33.

The square root of 2581188 is about 1606.6076061067. The cubic root of 2581188 is about 137.1744452287.

The spelling of 2581188 in words is "two million, five hundred eighty-one thousand, one hundred eighty-eight".