25683472 has 10 divisors (see below), whose sum is σ = 49761758. Its totient is φ = 12841728.

The previous prime is 25683451. The next prime is 25683487. The reversal of 25683472 is 27438652.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 5035536 = 4544^2 + 2244^2 .

It is an unprimeable number.

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, 802593 + ... + 802624.

Almost surely, 2^25683472 is an apocalyptic number.

It is an amenable number.

25683472 is a deficient number, since it is larger than the sum of its proper divisors (24078286).

25683472 is a wasteful number, since it uses less digits than its factorization.

25683472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605225 (or 1605219 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 25683472 is about 5067.8863444241. The cubic root of 25683472 is about 295.0424989044.

The spelling of 25683472 in words is "twenty-five million, six hundred eighty-three thousand, four hundred seventy-two".