25245472 has 48 divisors (see below), whose sum is σ = 58145472. Its totient is φ = 10563840.

The previous prime is 25245431. The next prime is 25245491. The reversal of 25245472 is 27454252.

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, 8322 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (1211364).

Almost surely, 2^25245472 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 25245472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29072736).

25245472 is an abundant number, since it is smaller than the sum of its proper divisors (32900000).

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

25245472 is a wasteful number, since it uses less digits than its factorization.

25245472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681 (or 2673 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 25245472 is about 5024.4872375199. The cubic root of 25245472 is about 293.3556778204.

The spelling of 25245472 in words is "twenty-five million, two hundred forty-five thousand, four hundred seventy-two".