2942243 has 2 divisors, whose sum is σ = 2942244. Its totient is φ = 2942242.

The previous prime is 2942227. The next prime is 2942249. The reversal of 2942243 is 3422492.

2942243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2942243 - 2⁴ = 2942227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2942249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471121 + 1471122.

It is an arithmetic number, because the mean of its divisors is an integer number (1471122).

2^2942243 is an apocalyptic number.

2942243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942243 is an equidigital number, since it uses as much as digits as its factorization.

2942243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 2942243 is about 1715.2967673263. The cubic root of 2942243 is about 143.2933973229.

Subtracting 2942243 from its reverse (3422492), we obtain a square (480249 = 693²).

The spelling of 2942243 in words is "two million, nine hundred forty-two thousand, two hundred forty-three".