25265172 has 12 divisors (see below), whose sum is σ = 58952096. Its totient is φ = 8421720.

The previous prime is 25265171. The next prime is 25265183. The reversal of 25265172 is 27156252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052704 + ... + 1052727.

Almost surely, 2^25265172 is an apocalyptic number.

It is an amenable number.

25265172 is an abundant number, since it is smaller than the sum of its proper divisors (33686924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25265172 is a wasteful number, since it uses less digits than its factorization.

25265172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105438 (or 2105436 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 25265172 is about 5026.4472542741. The cubic root of 25265172 is about 293.4319635042.

The spelling of 25265172 in words is "twenty-five million, two hundred sixty-five thousand, one hundred seventy-two".