2173043 has 2 divisors, whose sum is σ = 2173044. Its totient is φ = 2173042.

The previous prime is 2173033. The next prime is 2173051. The reversal of 2173043 is 3403712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2173043 - 2⁶ = 2172979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2173013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086521 + 1086522.

It is an arithmetic number, because the mean of its divisors is an integer number (1086522).

2^2173043 is an apocalyptic number.

2173043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173043 is an equidigital number, since it uses as much as digits as its factorization.

2173043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2173043 is about 1474.1244859238. The cubic root of 2173043 is about 129.5257473291.

Adding to 2173043 its reverse (3403712), we get a palindrome (5576755).

The spelling of 2173043 in words is "two million, one hundred seventy-three thousand, forty-three".