25825172 has 12 divisors (see below), whose sum is σ = 45244416. Its totient is φ = 12898200.

The previous prime is 25825169. The next prime is 25825181. The reversal of 25825172 is 27152852.

It is a happy number.

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, 1133 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (3770368).

Almost surely, 2^25825172 is an apocalyptic number.

It is an amenable number.

25825172 is a deficient number, since it is larger than the sum of its proper divisors (19419244).

25825172 is a wasteful number, since it uses less digits than its factorization.

25825172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7196 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 25825172 is about 5081.8473019169. The cubic root of 25825172 is about 295.5841036446.

The spelling of 25825172 in words is "twenty-five million, eight hundred twenty-five thousand, one hundred seventy-two".