2040173 has 2 divisors, whose sum is σ = 2040174. Its totient is φ = 2040172.

The previous prime is 2040167. The next prime is 2040191. The reversal of 2040173 is 3710402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 3844 = 1427^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040173 - 2⁶ = 2040109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020086 + 1020087.

It is an arithmetic number, because the mean of its divisors is an integer number (1020087).

2^2040173 is an apocalyptic number.

It is an amenable number.

2040173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040173 is an equidigital number, since it uses as much as digits as its factorization.

2040173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2040173 is about 1428.3462465383. The cubic root of 2040173 is about 126.8300991349.

Adding to 2040173 its reverse (3710402), we get a palindrome (5750575).

The spelling of 2040173 in words is "two million, forty thousand, one hundred seventy-three".