25538048 has 40 divisors (see below), whose sum is σ = 52704960. Its totient is φ = 12349440.

The previous prime is 25538003. The next prime is 25538059. The reversal of 25538048 is 84083552.

It is a junction number, because it is equal to n+sod(n) for n = 25537999 and 25538017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15068 + ... + 16676.

It is an arithmetic number, because the mean of its divisors is an integer number (1317624).

Almost surely, 2^25538048 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 25538048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26352480).

25538048 is an abundant number, since it is smaller than the sum of its proper divisors (27166912).

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

25538048 is an equidigital number, since it uses as much as digits as its factorization.

25538048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 25538048 is about 5053.5183783182. The cubic root of 25538048 is about 294.4845850210.

It can be divided in two parts, 2553 and 8048, that added together give a palindrome (10601).

The spelling of 25538048 in words is "twenty-five million, five hundred thirty-eight thousand, forty-eight".