25783232 has 14 divisors (see below), whose sum is σ = 51163728. Its totient is φ = 12891584.

The previous prime is 25783231. The next prime is 25783243. The reversal of 25783232 is 23238752.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25783231) 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 as a sum of consecutive naturals, namely, 201368 + ... + 201495.

It is an arithmetic number, because the mean of its divisors is an integer number (3654552).

Almost surely, 2^25783232 is an apocalyptic number.

It is an amenable number.

25783232 is a deficient number, since it is larger than the sum of its proper divisors (25380496).

25783232 is an equidigital number, since it uses as much as digits as its factorization.

25783232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402875 (or 402865 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 25783232 is about 5077.7191730146. The cubic root of 25783232 is about 295.4240077227.

The spelling of 25783232 in words is "twenty-five million, seven hundred eighty-three thousand, two hundred thirty-two".