8542043 has 2 divisors, whose sum is σ = 8542044. Its totient is φ = 8542042.

The previous prime is 8541997. The next prime is 8542057. The reversal of 8542043 is 3402458.

8542043 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 8542043 - 2¹⁸ = 8279899 is a prime.

It is a super-2 number, since 2×8542043² = 145932997227698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8542243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271021 + 4271022.

It is an arithmetic number, because the mean of its divisors is an integer number (4271022).

Almost surely, 2^8542043 is an apocalyptic number.

8542043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8542043 is an equidigital number, since it uses as much as digits as its factorization.

8542043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8542043 is about 2922.6773684415. The cubic root of 8542043 is about 204.4186822869.

The spelling of 8542043 in words is "eight million, five hundred forty-two thousand, forty-three".