173897 has 2 divisors, whose sum is σ = 173898. Its totient is φ = 173896.

The previous prime is 173891. The next prime is 173909. The reversal of 173897 is 798371.

173897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173056 + 841 = 416^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 173897 - 2¹⁴ = 157513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (173891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86948 + 86949.

It is an arithmetic number, because the mean of its divisors is an integer number (86949).

2¹⁷³⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

173897 is a deficient number, since it is larger than the sum of its proper divisors (1).

173897 is an equidigital number, since it uses as much as digits as its factorization.

173897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 35.

The square root of 173897 is about 417.0095922158. The cubic root of 173897 is about 55.8166837314.

Adding to 173897 its product of digits (10584), we get a palindrome (184481).

The spelling of 173897 in words is "one hundred seventy-three thousand, eight hundred ninety-seven".