197173 has 6 divisors (see below), whose sum is σ = 205314. Its totient is φ = 189216.

The previous prime is 197161. The next prime is 197203. The reversal of 197173 is 371791.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 79524 + 117649 = 282^2 + 343^2 .

It is not a de Polignac number, because 197173 - 2⁹ = 196661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197123) 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 5 ways as a sum of consecutive naturals, for example, 2665 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (34219).

2¹⁹⁷¹⁷³ is an apocalyptic number.

It is an amenable number.

197173 is a deficient number, since it is larger than the sum of its proper divisors (8141).

197173 is an frugal number, since it uses more digits than its factorization.

197173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 110 counting only the distinct ones).

The product of its digits is 1323, while the sum is 28.

The square root of 197173 is about 444.0416647118. The cubic root of 197173 is about 58.2035062818.

The spelling of 197173 in words is "one hundred ninety-seven thousand, one hundred seventy-three".