25585248 has 144 divisors (see below), whose sum is σ = 77474880. Its totient is φ = 7368192.

The previous prime is 25585247. The next prime is 25585253. The reversal of 25585248 is 84258552.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25585247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308215 + ... + 308297.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^25585248 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 25585248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38737440).

25585248 is an abundant number, since it is smaller than the sum of its proper divisors (51889632).

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

25585248 is a wasteful number, since it uses less digits than its factorization.

25585248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 120 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 25585248 is about 5058.1862361918. The cubic root of 25585248 is about 294.6658977296.

The spelling of 25585248 in words is "twenty-five million, five hundred eighty-five thousand, two hundred forty-eight".