25015248 has 120 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 7672320.

The previous prime is 25015231. The next prime is 25015261. The reversal of 25015248 is 84251052.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112065 + ... + 112287.

It is an arithmetic number, because the mean of its divisors is an integer number (631904).

Almost surely, 2^25015248 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 25015248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37914240).

25015248 is an abundant number, since it is smaller than the sum of its proper divisors (50813232).

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

25015248 is a wasteful number, since it uses less digits than its factorization.

25015248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 25015248 is about 5001.5245675694. The cubic root of 25015248 is about 292.4612089693.

The spelling of 25015248 in words is "twenty-five million, fifteen thousand, two hundred forty-eight".