2585256 has 16 divisors (see below), whose sum is σ = 6463200. Its totient is φ = 861744.

The previous prime is 2585251. The next prime is 2585267. The reversal of 2585256 is 6525852.

2585256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2585251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53836 + ... + 53883.

It is an arithmetic number, because the mean of its divisors is an integer number (403950).

2^2585256 is an apocalyptic number.

It is an amenable number.

2585256 is an abundant number, since it is smaller than the sum of its proper divisors (3877944).

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

2585256 is a wasteful number, since it uses less digits than its factorization.

2585256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107728 (or 107724 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 2585256 is about 1607.8731293233. The cubic root of 2585256 is about 137.2464705580.

The spelling of 2585256 in words is "two million, five hundred eighty-five thousand, two hundred fifty-six".