25434225 has 18 divisors (see below), whose sum is σ = 45555926. Its totient is φ = 13564800.

The previous prime is 25434203. The next prime is 25434257. The reversal of 25434225 is 52243452.

It is a happy number.

25434225 is a `hidden beast` number, since 2 + 5 + 434 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2852721 + 22581504 = 1689^2 + 4752^2 .

It is not a de Polignac number, because 25434225 - 2⁶ = 25434161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56296 + ... + 56745.

Almost surely, 2^25434225 is an apocalyptic number.

25434225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25434225 is a deficient number, since it is larger than the sum of its proper divisors (20121701).

25434225 is a wasteful number, since it uses less digits than its factorization.

25434225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113057 (or 113049 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25434225 is about 5043.2355685611. The cubic root of 25434225 is about 294.0849747433.

Adding to 25434225 its reverse (52243452), we get a palindrome (77677677).

The spelling of 25434225 in words is "twenty-five million, four hundred thirty-four thousand, two hundred twenty-five".