173030201 has 2 divisors, whose sum is σ = 173030202. Its totient is φ = 173030200.

The previous prime is 173030149. The next prime is 173030243. The reversal of 173030201 is 102030371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 21715600 = 12301^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 173030201 - 2¹⁰ = 173029177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173030201.

It is not a weakly prime, because it can be changed into another prime (173030281) 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, 86515100 + 86515101.

It is an arithmetic number, because the mean of its divisors is an integer number (86515101).

Almost surely, 2^173030201 is an apocalyptic number.

It is an amenable number.

173030201 is a deficient number, since it is larger than the sum of its proper divisors (1).

173030201 is an equidigital number, since it uses as much as digits as its factorization.

173030201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 173030201 is about 13154.0944576204. The cubic root of 173030201 is about 557.2378878724.

Adding to 173030201 its reverse (102030371), we get a palindrome (275060572).

The spelling of 173030201 in words is "one hundred seventy-three million, thirty thousand, two hundred one".