173328125 has 14 divisors (see below), whose sum is σ = 216676914. Its totient is φ = 138650000.

The previous prime is 173328121. The next prime is 173328139. The reversal of 173328125 is 521823371.

It can be written as a sum of positive squares in 7 ways, for example, as 169494361 + 3833764 = 13019^2 + 1958^2 .

It is not a de Polignac number, because 173328125 - 2² = 173328121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173328091 and 173328100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173328121) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 10079 + ... + 21171.

Almost surely, 2^173328125 is an apocalyptic number.

It is an amenable number.

173328125 is a deficient number, since it is larger than the sum of its proper divisors (43348789).

173328125 is an frugal number, since it uses more digits than its factorization.

173328125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123 (or 11098 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 173328125 is about 13165.4139699441. The cubic root of 173328125 is about 557.5575225356.

The spelling of 173328125 in words is "one hundred seventy-three million, three hundred twenty-eight thousand, one hundred twenty-five".