25839025 has 12 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 20606480.

The previous prime is 25839013. The next prime is 25839041. The reversal of 25839025 is 52093852.

It is not a de Polignac number, because 25839025 - 2⁹ = 25838513 is a prime.

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 in 11 ways as a sum of consecutive naturals, for example, 7536 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (2678400).

Almost surely, 2^25839025 is an apocalyptic number.

25839025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25839025 is a deficient number, since it is larger than the sum of its proper divisors (6301775).

25839025 is a wasteful number, since it uses less digits than its factorization.

25839025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 25839025 is about 5083.2101077961. The cubic root of 25839025 is about 295.6369460761.

The spelling of 25839025 in words is "twenty-five million, eight hundred thirty-nine thousand, twenty-five".