25432432 has 20 divisors (see below), whose sum is σ = 49356216. Its totient is φ = 12695360.

The previous prime is 25432427. The next prime is 25432439. The reversal of 25432432 is 23423452.

It is a junction number, because it is equal to n+sod(n) for n = 25432397 and 25432406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432439) 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, 14718 + ... + 16354.

Almost surely, 2^25432432 is an apocalyptic number.

It is an amenable number.

25432432 is a deficient number, since it is larger than the sum of its proper divisors (23923784).

25432432 is a wasteful number, since it uses less digits than its factorization.

25432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2610 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 25432432 is about 5043.0578025638. The cubic root of 25432432 is about 294.0780640189.

Adding to 25432432 its reverse (23423452), we get a palindrome (48855884).

The spelling of 25432432 in words is "twenty-five million, four hundred thirty-two thousand, four hundred thirty-two".