25996225 has 12 divisors (see below), whose sum is σ = 32386816. Its totient is φ = 20699280.

The previous prime is 25996211. The next prime is 25996231. The reversal of 25996225 is 52269952.

It is not a de Polignac number, because 25996225 - 2⁵ = 25996193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3244 + ... + 7906.

Almost surely, 2^25996225 is an apocalyptic number.

25996225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25996225 is a deficient number, since it is larger than the sum of its proper divisors (6390591).

25996225 is a wasteful number, since it uses less digits than its factorization.

25996225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4891 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 25996225 is about 5098.6493309503. The cubic root of 25996225 is about 296.2352684254.

The spelling of 25996225 in words is "twenty-five million, nine hundred ninety-six thousand, two hundred twenty-five".