25858032 has 20 divisors (see below), whose sum is σ = 66800040. Its totient is φ = 8619328.

The previous prime is 25858013. The next prime is 25858039. The reversal of 25858032 is 23085852.

It is a junction number, because it is equal to n+sod(n) for n = 25857984 and 25858002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25858039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 269307 + ... + 269402.

It is an arithmetic number, because the mean of its divisors is an integer number (3340002).

Almost surely, 2^25858032 is an apocalyptic number.

It is an amenable number.

25858032 is an abundant number, since it is smaller than the sum of its proper divisors (40942008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25858032 is a wasteful number, since it uses less digits than its factorization.

25858032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538720 (or 538714 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 25858032 is about 5085.0793504133. The cubic root of 25858032 is about 295.7094177759.

The spelling of 25858032 in words is "twenty-five million, eight hundred fifty-eight thousand, thirty-two".