25504232 has 32 divisors (see below), whose sum is σ = 54213600. Its totient is φ = 11150784.

The previous prime is 25504231. The next prime is 25504249. The reversal of 25504232 is 23240552.

It is a junction number, because it is equal to n+sod(n) for n = 25504198 and 25504207.

It is not an unprimeable number, because it can be changed into a prime (25504231) 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 7 ways as a sum of consecutive naturals, for example, 4478 + ... + 8429.

It is an arithmetic number, because the mean of its divisors is an integer number (1694175).

Almost surely, 2^25504232 is an apocalyptic number.

It is an amenable number.

25504232 is an abundant number, since it is smaller than the sum of its proper divisors (28709368).

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

25504232 is a wasteful number, since it uses less digits than its factorization.

25504232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945 (or 12941 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25504232 is about 5050.1714822370. The cubic root of 25504232 is about 294.3545478133.

Adding to 25504232 its reverse (23240552), we get a palindrome (48744784).

The spelling of 25504232 in words is "twenty-five million, five hundred four thousand, two hundred thirty-two".