25103872 has 20 divisors (see below), whose sum is σ = 50159736. Its totient is φ = 12551680.

The previous prime is 25103867. The next prime is 25103929. The reversal of 25103872 is 27830152.

It is a self number, because there is not a number n which added to its sum of digits gives 25103872.

It is a congruent number.

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, 24004 + ... + 25027.

Almost surely, 2^25103872 is an apocalyptic number.

It is an amenable number.

25103872 is a deficient number, since it is larger than the sum of its proper divisors (25055864).

25103872 is an frugal number, since it uses more digits than its factorization.

25103872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49049 (or 49033 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 25103872 is about 5010.3764329639. The cubic root of 25103872 is about 292.8061790130.

The spelling of 25103872 in words is "twenty-five million, one hundred three thousand, eight hundred seventy-two".