25025900 has 18 divisors (see below), whose sum is σ = 54306420. Its totient is φ = 10010320.

The previous prime is 25025899. The next prime is 25025939. The reversal of 25025900 is 952052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125030 + ... + 125229.

Almost surely, 2^25025900 is an apocalyptic number.

25025900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25025900 is an abundant number, since it is smaller than the sum of its proper divisors (29280520).

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

25025900 is a wasteful number, since it uses less digits than its factorization.

25025900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250273 (or 250266 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 25025900 is about 5002.5893295373. The cubic root of 25025900 is about 292.5027150502.

Adding to 25025900 its reverse (952052), we get a palindrome (25977952).

The spelling of 25025900 in words is "twenty-five million, twenty-five thousand, nine hundred".