25502268 has 48 divisors (see below), whose sum is σ = 66439296. Its totient is φ = 7546560.

The previous prime is 25502251. The next prime is 25502293. The reversal of 25502268 is 86220552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (1384152).

Almost surely, 2^25502268 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 25502268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33219648).

25502268 is an abundant number, since it is smaller than the sum of its proper divisors (40937028).

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

25502268 is a wasteful number, since it uses less digits than its factorization.

25502268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25502268 is about 5049.9770296507. The cubic root of 25502268 is about 294.3469918494.

The spelling of 25502268 in words is "twenty-five million, five hundred two thousand, two hundred sixty-eight".