201673 has 2 divisors, whose sum is σ = 201674. Its totient is φ = 201672.

The previous prime is 201667. The next prime is 201683. The reversal of 201673 is 376102.

201673 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., 104329 + 97344 = 323^2 + 312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201673 is a prime.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 201673.

It is not a weakly prime, because it can be changed into another prime (201623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100836 + 100837.

It is an arithmetic number, because the mean of its divisors is an integer number (100837).

2²⁰¹⁶⁷³ is an apocalyptic number.

It is an amenable number.

201673 is a deficient number, since it is larger than the sum of its proper divisors (1).

201673 is an equidigital number, since it uses as much as digits as its factorization.

201673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 201673 is about 449.0801710163. The cubic root of 201673 is about 58.6429649148.

Adding to 201673 its reverse (376102), we get a palindrome (577775).

The spelling of 201673 in words is "two hundred one thousand, six hundred seventy-three".