2174243 has 2 divisors, whose sum is σ = 2174244. Its totient is φ = 2174242.

The previous prime is 2174203. The next prime is 2174251. The reversal of 2174243 is 3424712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2174243 - 2¹⁰ = 2173219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2174203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087121 + 1087122.

It is an arithmetic number, because the mean of its divisors is an integer number (1087122).

2^2174243 is an apocalyptic number.

2174243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174243 is an equidigital number, since it uses as much as digits as its factorization.

2174243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 2174243 is about 1474.5314510040. The cubic root of 2174243 is about 129.5495852214.

Adding to 2174243 its reverse (3424712), we get a palindrome (5598955).

The spelling of 2174243 in words is "two million, one hundred seventy-four thousand, two hundred forty-three".