82042043 has 2 divisors, whose sum is σ = 82042044. Its totient is φ = 82042042.

The previous prime is 82042033. The next prime is 82042063. The reversal of 82042043 is 34024028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82042043 - 2⁸ = 82041787 is a prime.

It is a super-2 number, since 2×82042043² = 13461793639227698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82042013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41021021 + 41021022.

It is an arithmetic number, because the mean of its divisors is an integer number (41021022).

Almost surely, 2^82042043 is an apocalyptic number.

82042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

82042043 is an equidigital number, since it uses as much as digits as its factorization.

82042043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 82042043 is about 9057.7062769776. The cubic root of 82042043 is about 434.5223859049.

The spelling of 82042043 in words is "eighty-two million, forty-two thousand, forty-three".