25534872 has 96 divisors (see below), whose sum is σ = 78044400. Its totient is φ = 7729920.

The previous prime is 25534849. The next prime is 25534897. The reversal of 25534872 is 27843552.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 25648 + ... + 26624.

Almost surely, 2^25534872 is an apocalyptic number.

25534872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25534872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39022200).

25534872 is an abundant number, since it is smaller than the sum of its proper divisors (52509528).

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

25534872 is a wasteful number, since it uses less digits than its factorization.

25534872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 993 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 25534872 is about 5053.2041320335. The cubic root of 25534872 is about 294.4723768077.

The spelling of 25534872 in words is "twenty-five million, five hundred thirty-four thousand, eight hundred seventy-two".