180117925 has 12 divisors (see below), whose sum is σ = 240527140. Its totient is φ = 133009920.

The previous prime is 180117919. The next prime is 180117943. The reversal of 180117925 is 529711081.

It is a happy number.

180117925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 22791076 + 157326849 = 4774^2 + 12543^2 .

It is not a de Polignac number, because 180117925 - 2⁵ = 180117893 is a prime.

It is a hoax number, since the sum of its digits (34) 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276780 + ... + 277429.

Almost surely, 2^180117925 is an apocalyptic number.

It is an amenable number.

180117925 is a deficient number, since it is larger than the sum of its proper divisors (60409215).

180117925 is a wasteful number, since it uses less digits than its factorization.

180117925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554232 (or 554227 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 180117925 is about 13420.8019507032. The cubic root of 180117925 is about 564.7448922715.

The spelling of 180117925 in words is "one hundred eighty million, one hundred seventeen thousand, nine hundred twenty-five".