201000173 has 8 divisors (see below), whose sum is σ = 219444096. Its totient is φ = 182584800.

The previous prime is 201000167. The next prime is 201000193. The reversal of 201000173 is 371000102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201000173 - 2⁶ = 201000109 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 (201000133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (27430512).

Almost surely, 2^201000173 is an apocalyptic number.

It is an amenable number.

201000173 is a deficient number, since it is larger than the sum of its proper divisors (18443923).

201000173 is a wasteful number, since it uses less digits than its factorization.

201000173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14275.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 201000173 is about 14177.4529799961. The cubic root of 201000173 is about 585.7767683236.

Adding to 201000173 its reverse (371000102), we get a palindrome (572000275).

The spelling of 201000173 in words is "two hundred one million, one hundred seventy-three", and thus it is an aban number.