25225712 has 20 divisors (see below), whose sum is σ = 50196936. Its totient is φ = 12271680.

The previous prime is 25225709. The next prime is 25225741. The reversal of 25225712 is 21752252.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 20714 + ... + 21897.

Almost surely, 2^25225712 is an apocalyptic number.

It is an amenable number.

25225712 is a deficient number, since it is larger than the sum of its proper divisors (24971224).

25225712 is a wasteful number, since it uses less digits than its factorization.

25225712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42656 (or 42650 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 25225712 is about 5022.5204827855. The cubic root of 25225712 is about 293.2791199167.

Adding to 25225712 its reverse (21752252), we get a palindrome (46977964).

The spelling of 25225712 in words is "twenty-five million, two hundred twenty-five thousand, seven hundred twelve".