173316225 has 48 divisors (see below), whose sum is σ = 296231040. Its totient is φ = 89356800.

The previous prime is 173316223. The next prime is 173316287. The reversal of 173316225 is 522613371.

It is not a de Polignac number, because 173316225 - 2¹ = 173316223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173316192 and 173316201.

It is not an unprimeable number, because it can be changed into a prime (173316223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482596 + ... + 482954.

It is an arithmetic number, because the mean of its divisors is an integer number (6171480).

Almost surely, 2^173316225 is an apocalyptic number.

173316225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173316225 is a deficient number, since it is larger than the sum of its proper divisors (122914815).

173316225 is a wasteful number, since it uses less digits than its factorization.

173316225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 565 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 173316225 is about 13164.9620204541. The cubic root of 173316225 is about 557.5447623707.

Adding to 173316225 its reverse (522613371), we get a palindrome (695929596).

The spelling of 173316225 in words is "one hundred seventy-three million, three hundred sixteen thousand, two hundred twenty-five".