25634032 has 20 divisors (see below), whose sum is σ = 49975720. Its totient is φ = 12737088.

The previous prime is 25634017. The next prime is 25634039. The reversal of 25634032 is 23043652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25633988 and 25634006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25634039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307 + ... + 7522.

It is an arithmetic number, because the mean of its divisors is an integer number (2498786).

Almost surely, 2^25634032 is an apocalyptic number.

It is an amenable number.

25634032 is a deficient number, since it is larger than the sum of its proper divisors (24341688).

25634032 is a wasteful number, since it uses less digits than its factorization.

25634032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000 (or 9994 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 25634032 is about 5063.0062216039. The cubic root of 25634032 is about 294.8530609789.

Adding to 25634032 its reverse (23043652), we get a palindrome (48677684).

The spelling of 25634032 in words is "twenty-five million, six hundred thirty-four thousand, thirty-two".