25230925 has 6 divisors (see below), whose sum is σ = 31286378. Its totient is φ = 20184720.

The previous prime is 25230901. The next prime is 25230967. The reversal of 25230925 is 52903252.

It can be written as a sum of positive squares in 3 ways, for example, as 6620329 + 18610596 = 2573^2 + 4314^2 .

It is not a de Polignac number, because 25230925 - 2⁵ = 25230893 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25230893 and 25230902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504594 + ... + 504643.

Almost surely, 2^25230925 is an apocalyptic number.

25230925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25230925 is a deficient number, since it is larger than the sum of its proper divisors (6055453).

25230925 is a wasteful number, since it uses less digits than its factorization.

25230925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009247 (or 1009242 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25230925 is about 5023.0394185194. The cubic root of 25230925 is about 293.2993209818.

The spelling of 25230925 in words is "twenty-five million, two hundred thirty thousand, nine hundred twenty-five".