25889000 has 32 divisors (see below), whose sum is σ = 60582600. Its totient is φ = 10355200.

The previous prime is 25888997. The next prime is 25889021. The reversal of 25889000 is 98852.

25889000 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 14853316 + 11035684 = 3854^2 + 3322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11945 + ... + 13944.

Almost surely, 2^25889000 is an apocalyptic number.

25889000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25889000 is an abundant number, since it is smaller than the sum of its proper divisors (34693600).

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

25889000 is a wasteful number, since it uses less digits than its factorization.

25889000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25910 (or 25896 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 25889000 is about 5088.1234261759. The cubic root of 25889000 is about 295.8274194855.

The spelling of 25889000 in words is "twenty-five million, eight hundred eighty-nine thousand".