25525626 has 64 divisors (see below), whose sum is σ = 63590400. Its totient is φ = 6664896.

The previous prime is 25525613. The next prime is 25525627. The reversal of 25525626 is 62652552.

It is not an unprimeable number, because it can be changed into a prime (25525627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22591 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (993600).

Almost surely, 2^25525626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25525626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31795200).

25525626 is an abundant number, since it is smaller than the sum of its proper divisors (38064774).

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

25525626 is a wasteful number, since it uses less digits than its factorization.

25525626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its digits is 36000, while the sum is 33.

The square root of 25525626 is about 5052.2891841224. The cubic root of 25525626 is about 294.4368303821.

The spelling of 25525626 in words is "twenty-five million, five hundred twenty-five thousand, six hundred twenty-six".