180231325 has 12 divisors (see below), whose sum is σ = 224453268. Its totient is φ = 143561600.

The previous prime is 180231287. The next prime is 180231343. The reversal of 180231325 is 523132081.

It can be written as a sum of positive squares in 6 ways, for example, as 28965924 + 151265401 = 5382^2 + 12299^2 .

It is not a de Polignac number, because 180231325 - 2¹¹ = 180229277 is a prime.

It is a super-2 number, since 2×180231325² = 64966661022511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180231325.

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, 9646 + ... + 21295.

It is an arithmetic number, because the mean of its divisors is an integer number (18704439).

Almost surely, 2^180231325 is an apocalyptic number.

It is an amenable number.

180231325 is a deficient number, since it is larger than the sum of its proper divisors (44221943).

180231325 is a wasteful number, since it uses less digits than its factorization.

180231325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31184 (or 31179 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 180231325 is about 13425.0260707382. The cubic root of 180231325 is about 564.8633861886.

The spelling of 180231325 in words is "one hundred eighty million, two hundred thirty-one thousand, three hundred twenty-five".