25112205 has 48 divisors (see below), whose sum is σ = 47848320. Its totient is φ = 12127104.

The previous prime is 25112189. The next prime is 25112207. The reversal of 25112205 is 50221152.

It is not a de Polignac number, because 25112205 - 2⁴ = 25112189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19027 + ... + 20303.

It is an arithmetic number, because the mean of its divisors is an integer number (996840).

Almost surely, 2^25112205 is an apocalyptic number.

It is an amenable number.

25112205 is a deficient number, since it is larger than the sum of its proper divisors (22736115).

25112205 is a wasteful number, since it uses less digits than its factorization.

25112205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 25112205 is about 5011.2079382121. The cubic root of 25112205 is about 292.8385735372.

Adding to 25112205 its reverse (50221152), we get a palindrome (75333357).

The spelling of 25112205 in words is "twenty-five million, one hundred twelve thousand, two hundred five".