25512132 has 24 divisors (see below), whose sum is σ = 61449472. Its totient is φ = 8229600.

The previous prime is 25512107. The next prime is 25512139. The reversal of 25512132 is 23121552.

It is a junction number, because it is equal to n+sod(n) for n = 25512099 and 25512108.

It is not an unprimeable number, because it can be changed into a prime (25512139) 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, 33919 + ... + 34662.

Almost surely, 2^25512132 is an apocalyptic number.

It is an amenable number.

25512132 is an abundant number, since it is smaller than the sum of its proper divisors (35937340).

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

25512132 is a wasteful number, since it uses less digits than its factorization.

25512132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68619 (or 68617 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 25512132 is about 5050.9535733364. The cubic root of 25512132 is about 294.3849370296.

Adding to 25512132 its reverse (23121552), we get a palindrome (48633684).

The spelling of 25512132 in words is "twenty-five million, five hundred twelve thousand, one hundred thirty-two".