543043873 has 2 divisors, whose sum is σ = 543043874. Its totient is φ = 543043872.

The previous prime is 543043849. The next prime is 543043933. The reversal of 543043873 is 378340345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541632529 + 1411344 = 23273^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 543043873 - 2⁵ = 543043841 is a prime.

It is not a weakly prime, because it can be changed into another prime (543043273) 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, 271521936 + 271521937.

It is an arithmetic number, because the mean of its divisors is an integer number (271521937).

Almost surely, 2^543043873 is an apocalyptic number.

It is an amenable number.

543043873 is a deficient number, since it is larger than the sum of its proper divisors (1).

543043873 is an equidigital number, since it uses as much as digits as its factorization.

543043873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 543043873 is about 23303.3017617676. The cubic root of 543043873 is about 815.8524824843.

The spelling of 543043873 in words is "five hundred forty-three million, forty-three thousand, eight hundred seventy-three".