25563232 has 24 divisors (see below), whose sum is σ = 50444856. Its totient is φ = 12751872.

The previous prime is 25563217. The next prime is 25563233. The reversal of 25563232 is 23236552.

It is a self number, because there is not a number n which added to its sum of digits gives 25563232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25563233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20943 + ... + 22129.

It is an arithmetic number, because the mean of its divisors is an integer number (2101869).

Almost surely, 2^25563232 is an apocalyptic number.

It is an amenable number.

25563232 is a deficient number, since it is larger than the sum of its proper divisors (24881624).

25563232 is a wasteful number, since it uses less digits than its factorization.

25563232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1862 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 25563232 is about 5056.0094936620. The cubic root of 25563232 is about 294.5813538800.

Adding to 25563232 its reverse (23236552), we get a palindrome (48799784).

The spelling of 25563232 in words is "twenty-five million, five hundred sixty-three thousand, two hundred thirty-two".