25225248 has 48 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 8338176.

The previous prime is 25225243. The next prime is 25225267. The reversal of 25225248 is 84252252.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (25225241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11158 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^25225248 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 25225248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33384960).

25225248 is an abundant number, since it is smaller than the sum of its proper divisors (41544672).

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

25225248 is a wasteful number, since it uses less digits than its factorization.

25225248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2201 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 25225248 is about 5022.4742906261. The cubic root of 25225248 is about 293.2773217204.

The spelling of 25225248 in words is "twenty-five million, two hundred twenty-five thousand, two hundred forty-eight".