2585156 has 24 divisors (see below), whose sum is σ = 5475456. Its totient is φ = 1042560.

The previous prime is 2585137. The next prime is 2585161. The reversal of 2585156 is 6515852.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its 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, 2240 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (228144).

2^2585156 is an apocalyptic number.

It is an amenable number.

2585156 is an abundant number, since it is smaller than the sum of its proper divisors (2890300).

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

2585156 is a wasteful number, since it uses less digits than its factorization.

2585156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459 (or 5457 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 2585156 is about 1607.8420320417. The cubic root of 2585156 is about 137.2447009300.

The spelling of 2585156 in words is "two million, five hundred eighty-five thousand, one hundred fifty-six".