25543132 has 12 divisors (see below), whose sum is σ = 46142656. Its totient is φ = 12359520.

The previous prime is 25543127. The next prime is 25543139. The reversal of 25543132 is 23134552.

It is a junction number, because it is equal to n+sod(n) for n = 25543097 and 25543106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25543139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102873 + ... + 103120.

Almost surely, 2^25543132 is an apocalyptic number.

It is an amenable number.

25543132 is a deficient number, since it is larger than the sum of its proper divisors (20599524).

25543132 is a wasteful number, since it uses less digits than its factorization.

25543132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206028 (or 206026 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 25543132 is about 5054.0213691673. The cubic root of 25543132 is about 294.5041252810.

Adding to 25543132 its reverse (23134552), we get a palindrome (48677684).

The spelling of 25543132 in words is "twenty-five million, five hundred forty-three thousand, one hundred thirty-two".