25783025 has 12 divisors (see below), whose sum is σ = 32652672. Its totient is φ = 20186640.

The previous prime is 25783013. The next prime is 25783039. The reversal of 25783025 is 52038752.

It is not a de Polignac number, because 25783025 - 2¹⁸ = 25520881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25782982 and 25783000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9797 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (2721056).

Almost surely, 2^25783025 is an apocalyptic number.

25783025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25783025 is a deficient number, since it is larger than the sum of its proper divisors (6869647).

25783025 is a wasteful number, since it uses less digits than its factorization.

25783025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000 (or 21995 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25783025 is about 5077.6987898063. The cubic root of 25783025 is about 295.4232171193.

The spelling of 25783025 in words is "twenty-five million, seven hundred eighty-three thousand, twenty-five".