543042513 has 12 divisors (see below), whose sum is σ = 844732980. Its totient is φ = 334179936.

The previous prime is 543042497. The next prime is 543042527. The reversal of 543042513 is 315240345.

It can be written as a sum of positive squares in 2 ways, for example, as 238609809 + 304432704 = 15447^2 + 17448^2 .

It is not a de Polignac number, because 543042513 - 2⁴ = 543042497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (543042113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2320578 + ... + 2320811.

It is an arithmetic number, because the mean of its divisors is an integer number (70394415).

Almost surely, 2^543042513 is an apocalyptic number.

It is an amenable number.

543042513 is a deficient number, since it is larger than the sum of its proper divisors (301690467).

543042513 is a wasteful number, since it uses less digits than its factorization.

543042513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641408 (or 4641405 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 543042513 is about 23303.2725813350. The cubic root of 543042513 is about 815.8518014096.

Adding to 543042513 its reverse (315240345), we get a palindrome (858282858).

The spelling of 543042513 in words is "five hundred forty-three million, forty-two thousand, five hundred thirteen".