173330225 has 6 divisors (see below), whose sum is σ = 214929510. Its totient is φ = 138664160.

The previous prime is 173330197. The next prime is 173330243. The reversal of 173330225 is 522033371.

173330225 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 3 ways, for example, as 8567329 + 164762896 = 2927^2 + 12836^2 .

It is not a de Polignac number, because 173330225 - 2⁸ = 173329969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 173330194 and 173330203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3466580 + ... + 3466629.

It is an arithmetic number, because the mean of its divisors is an integer number (35821585).

Almost surely, 2^173330225 is an apocalyptic number.

It is an amenable number.

173330225 is a deficient number, since it is larger than the sum of its proper divisors (41599285).

173330225 is an equidigital number, since it uses as much as digits as its factorization.

173330225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933219 (or 6933214 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 173330225 is about 13165.4937241260. The cubic root of 173330225 is about 557.5597742688.

Adding to 173330225 its reverse (522033371), we get a palindrome (695363596).

The spelling of 173330225 in words is "one hundred seventy-three million, three hundred thirty thousand, two hundred twenty-five".