25029225 has 72 divisors (see below), whose sum is σ = 49649600. Its totient is φ = 11975040.

The previous prime is 25029209. The next prime is 25029259. The reversal of 25029225 is 52292052.

It is not a de Polignac number, because 25029225 - 2⁴ = 25029209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 125676 + ... + 125874.

Almost surely, 2^25029225 is an apocalyptic number.

25029225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25029225 is a deficient number, since it is larger than the sum of its proper divisors (24620375).

25029225 is a wasteful number, since it uses less digits than its factorization.

25029225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 25029225 is about 5002.9216463982. The cubic root of 25029225 is about 292.5156686763.

The spelling of 25029225 in words is "twenty-five million, twenty-nine thousand, two hundred twenty-five".