25898125 has 20 divisors (see below), whose sum is σ = 35313696. Its totient is φ = 18830000.

The previous prime is 25898107. The next prime is 25898129. The reversal of 25898125 is 52189852.

It is not a de Polignac number, because 25898125 - 2¹¹ = 25896077 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25898129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4992 + ... + 8758.

Almost surely, 2^25898125 is an apocalyptic number.

25898125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25898125 is a deficient number, since it is larger than the sum of its proper divisors (9415571).

25898125 is an equidigital number, since it uses as much as digits as its factorization.

25898125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798 (or 3783 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 25898125 is about 5089.0200431910. The cubic root of 25898125 is about 295.8621718013.

The spelling of 25898125 in words is "twenty-five million, eight hundred ninety-eight thousand, one hundred twenty-five".