25525612 has 24 divisors (see below), whose sum is σ = 51448320. Its totient is φ = 10854480.

The previous prime is 25525609. The next prime is 25525613. The reversal of 25525612 is 21652552.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (25525613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (2143680).

Almost surely, 2^25525612 is an apocalyptic number.

It is an amenable number.

25525612 is an abundant number, since it is smaller than the sum of its proper divisors (25922708).

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

25525612 is a wasteful number, since it uses less digits than its factorization.

25525612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101 (or 7099 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 25525612 is about 5052.2877986116. The cubic root of 25525612 is about 294.4367765523.

The spelling of 25525612 in words is "twenty-five million, five hundred twenty-five thousand, six hundred twelve".