25650225 has 18 divisors (see below), whose sum is σ = 45942806. Its totient is φ = 13680000.

The previous prime is 25650217. The next prime is 25650259. The reversal of 25650225 is 52205652.

25650225 is a `hidden beast` number, since 2 + 5 + 650 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3154176 + 22496049 = 1776^2 + 4743^2 .

It is not a de Polignac number, because 25650225 - 2³ = 25650217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56776 + ... + 57225.

Almost surely, 2^25650225 is an apocalyptic number.

25650225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25650225 is a deficient number, since it is larger than the sum of its proper divisors (20292581).

25650225 is a wasteful number, since it uses less digits than its factorization.

25650225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114017 (or 114009 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 25650225 is about 5064.6051178744. The cubic root of 25650225 is about 294.9151340674.

Adding to 25650225 its reverse (52205652), we get a palindrome (77855877).

The spelling of 25650225 in words is "twenty-five million, six hundred fifty thousand, two hundred twenty-five".