173097 has 10 divisors (see below), whose sum is σ = 258698. Its totient is φ = 115344.

The previous prime is 173087. The next prime is 173099. The reversal of 173097 is 790371.

It can be written as a sum of positive squares in only one way, i.e., 104976 + 68121 = 324^2 + 261^2 .

It is not a de Polignac number, because 173097 - 2⁴ = 173081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

173097 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 173097.

It is not an unprimeable number, because it can be changed into a prime (173099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 988 + ... + 1149.

2¹⁷³⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

173097 is a deficient number, since it is larger than the sum of its proper divisors (85601).

173097 is an equidigital number, since it uses as much as digits as its factorization.

173097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 173097 is about 416.0492759277. The cubic root of 173097 is about 55.7309586617.

The spelling of 173097 in words is "one hundred seventy-three thousand, ninety-seven".