25725184 has 27 divisors (see below), whose sum is σ = 51512377. Its totient is φ = 12822016.

The previous prime is 25725169. The next prime is 25725187. The reversal of 25725184 is 48152752.

It is a happy number.

The square root of 25725184 is 5072.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 24285184 = 1200^2 + 4928^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25725187) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80994 + ... + 81310.

Almost surely, 2^25725184 is an apocalyptic number.

25725184 is the 5072-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25725184

25725184 is an abundant number, since it is smaller than the sum of its proper divisors (25787193).

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

25725184 is an frugal number, since it uses more digits than its factorization.

25725184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 319 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The cubic root of 25725184 is about 295.2021366708.

The spelling of 25725184 in words is "twenty-five million, seven hundred twenty-five thousand, one hundred eighty-four".