543085643 has 2 divisors, whose sum is σ = 543085644. Its totient is φ = 543085642.

The previous prime is 543085601. The next prime is 543085651. The reversal of 543085643 is 346580345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543085643 - 2¹⁴ = 543069259 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 543085597 and 543085606.

It is not a weakly prime, because it can be changed into another prime (543085663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271542821 + 271542822.

It is an arithmetic number, because the mean of its divisors is an integer number (271542822).

Almost surely, 2^543085643 is an apocalyptic number.

543085643 is a deficient number, since it is larger than the sum of its proper divisors (1).

543085643 is an equidigital number, since it uses as much as digits as its factorization.

543085643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 543085643 is about 23304.1979694646. The cubic root of 543085643 is about 815.8733999376.

The spelling of 543085643 in words is "five hundred forty-three million, eighty-five thousand, six hundred forty-three".