25545632 has 24 divisors (see below), whose sum is σ = 57478176. Its totient is φ = 10948032.

The previous prime is 25545613. The next prime is 25545647. The reversal of 25545632 is 23654552.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56798 + ... + 57245.

It is an arithmetic number, because the mean of its divisors is an integer number (2394924).

Almost surely, 2^25545632 is an apocalyptic number.

It is an amenable number.

25545632 is an abundant number, since it is smaller than the sum of its proper divisors (31932544).

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

25545632 is a wasteful number, since it uses less digits than its factorization.

25545632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114060 (or 114052 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 25545632 is about 5054.2686909186. The cubic root of 25545632 is about 294.5137330338.

The spelling of 25545632 in words is "twenty-five million, five hundred forty-five thousand, six hundred thirty-two".