25612132 has 48 divisors (see below), whose sum is σ = 58423680. Its totient is φ = 9533952.

The previous prime is 25612127. The next prime is 25612141. The reversal of 25612132 is 23121652.

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 15 ways as a sum of consecutive naturals, for example, 4119 + ... + 8257.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^25612132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25612132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29211840).

25612132 is an abundant number, since it is smaller than the sum of its proper divisors (32811548).

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

25612132 is a wasteful number, since it uses less digits than its factorization.

25612132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4178 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 25612132 is about 5060.8430127796. The cubic root of 25612132 is about 294.7690694867.

Adding to 25612132 its reverse (23121652), we get a palindrome (48733784).

The spelling of 25612132 in words is "twenty-five million, six hundred twelve thousand, one hundred thirty-two".