25532160 has 144 divisors (see below), whose sum is σ = 83640480. Its totient is φ = 6635520.

The previous prime is 25532149. The next prime is 25532161. The reversal of 25532160 is 6123552.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25532160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234186 + ... + 234294.

Almost surely, 2^25532160 is an apocalyptic number.

25532160 is a gapful number since it is divisible by the number (20) 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 25532160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41820240).

25532160 is an abundant number, since it is smaller than the sum of its proper divisors (58108320).

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

25532160 is a wasteful number, since it uses less digits than its factorization.

25532160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25532160 is about 5052.9357803162. The cubic root of 25532160 is about 294.4619513607.

The spelling of 25532160 in words is "twenty-five million, five hundred thirty-two thousand, one hundred sixty".