25253248 has 32 divisors (see below), whose sum is σ = 50936760. Its totient is φ = 12469248.

The previous prime is 25253243. The next prime is 25253273. The reversal of 25253248 is 84235252.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9436 + ... + 11812.

Almost surely, 2^25253248 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 25253248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25468380).

25253248 is an abundant number, since it is smaller than the sum of its proper divisors (25683512).

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

25253248 is an equidigital number, since it uses as much as digits as its factorization.

25253248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 2462 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 25253248 is about 5025.2609882473. The cubic root of 25253248 is about 293.3857941066.

The spelling of 25253248 in words is "twenty-five million, two hundred fifty-three thousand, two hundred forty-eight".