2066173 has 2 divisors, whose sum is σ = 2066174. Its totient is φ = 2066172.

The previous prime is 2066161. The next prime is 2066177. The reversal of 2066173 is 3716602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1750329 + 315844 = 1323^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066173 - 2¹³ = 2057981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033086 + 1033087.

It is an arithmetic number, because the mean of its divisors is an integer number (1033087).

2^2066173 is an apocalyptic number.

It is an amenable number.

2066173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066173 is an equidigital number, since it uses as much as digits as its factorization.

2066173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2066173 is about 1437.4188672756. The cubic root of 2066173 is about 127.3666014758.

The spelling of 2066173 in words is "two million, sixty-six thousand, one hundred seventy-three".