173383897 has 2 divisors, whose sum is σ = 173383898. Its totient is φ = 173383896.

The previous prime is 173383891. The next prime is 173383919. The reversal of 173383897 is 798383371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159163456 + 14220441 = 12616^2 + 3771^2 .

It is an emirp because it is prime and its reverse (798383371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173383897 - 2¹¹ = 173381849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173383897.

It is not a weakly prime, because it can be changed into another prime (173383891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86691948 + 86691949.

It is an arithmetic number, because the mean of its divisors is an integer number (86691949).

Almost surely, 2^173383897 is an apocalyptic number.

It is an amenable number.

173383897 is a deficient number, since it is larger than the sum of its proper divisors (1).

173383897 is an equidigital number, since it uses as much as digits as its factorization.

173383897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 173383897 is about 13167.5319251559. The cubic root of 173383897 is about 557.6173181083.

The spelling of 173383897 in words is "one hundred seventy-three million, three hundred eighty-three thousand, eight hundred ninety-seven".