2442043 has 4 divisors (see below), whose sum is σ = 2463768. Its totient is φ = 2420320.

The previous prime is 2442019. The next prime is 2442047. The reversal of 2442043 is 3402442.

2442043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2442043.

It is not an unprimeable number, because it can be changed into a prime (2442047) 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 in 3 ways as a sum of consecutive naturals, for example, 10693 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (615942).

2^2442043 is an apocalyptic number.

2442043 is a deficient number, since it is larger than the sum of its proper divisors (21725).

2442043 is a wasteful number, since it uses less digits than its factorization.

2442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21724.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2442043 is about 1562.7037467159. The cubic root of 2442043 is about 134.6638734458.

Adding to 2442043 its reverse (3402442), we get a palindrome (5844485).

The spelling of 2442043 in words is "two million, four hundred forty-two thousand, forty-three".