25906132 has 24 divisors (see below), whose sum is σ = 51920064. Its totient is φ = 11079552.

The previous prime is 25906129. The next prime is 25906141. The reversal of 25906132 is 23160952.

It is a super-2 number, since 2×25906132² = 1342255350402848, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25906132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26028 + ... + 27004.

It is an arithmetic number, because the mean of its divisors is an integer number (2163336).

Almost surely, 2^25906132 is an apocalyptic number.

It is an amenable number.

25906132 is an abundant number, since it is smaller than the sum of its proper divisors (26013932).

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

25906132 is a wasteful number, since it uses less digits than its factorization.

25906132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 25906132 is about 5089.8066760929. The cubic root of 25906132 is about 295.8926595208.

The spelling of 25906132 in words is "twenty-five million, nine hundred six thousand, one hundred thirty-two".