543043013 has 2 divisors, whose sum is σ = 543043014. Its totient is φ = 543043012.

The previous prime is 543042967. The next prime is 543043031. The reversal of 543043013 is 310340345.

Together with next prime (543043031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481231969 + 61811044 = 21937^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 543043013 - 2¹² = 543038917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543043013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543043093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271521506 + 271521507.

It is an arithmetic number, because the mean of its divisors is an integer number (271521507).

Almost surely, 2^543043013 is an apocalyptic number.

It is an amenable number.

543043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

543043013 is an equidigital number, since it uses as much as digits as its factorization.

543043013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 543043013 is about 23303.2833094395. The cubic root of 543043013 is about 815.8520518049.

Adding to 543043013 its reverse (310340345), we get a palindrome (853383358).

The spelling of 543043013 in words is "five hundred forty-three million, forty-three thousand, thirteen".