25000432 has 10 divisors (see below), whose sum is σ = 48438368. Its totient is φ = 12500208.

The previous prime is 25000427. The next prime is 25000439. The reversal of 25000432 is 23400052.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1562527 = 25000432 / (2 + 5 + 0 + 0 + 0 + 4 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781248 + ... + 781279.

Almost surely, 2^25000432 is an apocalyptic number.

It is an amenable number.

25000432 is a deficient number, since it is larger than the sum of its proper divisors (23437936).

25000432 is a wasteful number, since it uses less digits than its factorization.

25000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562535 (or 1562529 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25000432 is about 5000.0431998134. The cubic root of 25000432 is about 292.4034580458.

Adding to 25000432 its reverse (23400052), we get a palindrome (48400484).

The spelling of 25000432 in words is "twenty-five million, four hundred thirty-two", and thus it is an aban number.