25255244 has 12 divisors (see below), whose sum is σ = 50510544. Its totient is φ = 10823664.

The previous prime is 25255213. The next prime is 25255247. The reversal of 25255244 is 44255252.

25255244 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25255247) 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, 450959 + ... + 451014.

It is an arithmetic number, because the mean of its divisors is an integer number (4209212).

Almost surely, 2^25255244 is an apocalyptic number.

It is an amenable number.

25255244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25255244 is a wasteful number, since it uses less digits than its factorization.

25255244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901984 (or 901982 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 25255244 is about 5025.4595809737. The cubic root of 25255244 is about 293.3935235759.

The spelling of 25255244 in words is "twenty-five million, two hundred fifty-five thousand, two hundred forty-four".