25331132 has 12 divisors (see below), whose sum is σ = 44516640. Its totient is φ = 12612096.

The previous prime is 25331129. The next prime is 25331143. The reversal of 25331132 is 23113352.

It is a congruent number.

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, 12293 + ... + 14204.

It is an arithmetic number, because the mean of its divisors is an integer number (3709720).

Almost surely, 2^25331132 is an apocalyptic number.

It is an amenable number.

25331132 is a deficient number, since it is larger than the sum of its proper divisors (19185508).

25331132 is a wasteful number, since it uses less digits than its factorization.

25331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26740 (or 26738 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 25331132 is about 5033.0042718043. The cubic root of 25331132 is about 293.6870967165.

Adding to 25331132 its reverse (23113352), we get a palindrome (48444484).

The spelling of 25331132 in words is "twenty-five million, three hundred thirty-one thousand, one hundred thirty-two".