25750172 has 48 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 10156800.

The previous prime is 25750159. The next prime is 25750183. The reversal of 25750172 is 27105752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21797 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (1161216).

Almost surely, 2^25750172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25750172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27869184).

25750172 is an abundant number, since it is smaller than the sum of its proper divisors (29988196).

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

25750172 is a wasteful number, since it uses less digits than its factorization.

25750172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 25750172 is about 5074.4627301814. The cubic root of 25750172 is about 295.2976866696.

The spelling of 25750172 in words is "twenty-five million, seven hundred fifty thousand, one hundred seventy-two".