173133725 has 6 divisors (see below), whose sum is σ = 214685850. Its totient is φ = 138506960.

The previous prime is 173133721. The next prime is 173133749. The reversal of 173133725 is 527331371.

It can be written as a sum of positive squares in 3 ways, for example, as 9012004 + 164121721 = 3002^2 + 12811^2 .

It is not a de Polignac number, because 173133725 - 2² = 173133721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173133691 and 173133700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173133721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3462650 + ... + 3462699.

It is an arithmetic number, because the mean of its divisors is an integer number (35780975).

Almost surely, 2^173133725 is an apocalyptic number.

It is an amenable number.

173133725 is a deficient number, since it is larger than the sum of its proper divisors (41552125).

173133725 is an equidigital number, since it uses as much as digits as its factorization.

173133725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925359 (or 6925354 counting only the distinct ones).

The product of its digits is 13230, while the sum is 32.

The square root of 173133725 is about 13158.0289177369. The cubic root of 173133725 is about 557.3489975588.

The spelling of 173133725 in words is "one hundred seventy-three million, one hundred thirty-three thousand, seven hundred twenty-five".