543343613 has 4 divisors (see below), whose sum is σ = 575305020. Its totient is φ = 511382208.

The previous prime is 543343609. The next prime is 543343637. The reversal of 543343613 is 316343345.

It is a happy number.

543343613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316343345 = 5 ⋅63268669.

It can be written as a sum of positive squares in 2 ways, for example, as 254785444 + 288558169 = 15962^2 + 16987^2 .

It is a cyclic number.

It is not a de Polignac number, because 543343613 - 2² = 543343609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543343613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543343673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15980678 + ... + 15980711.

It is an arithmetic number, because the mean of its divisors is an integer number (143826255).

Almost surely, 2^543343613 is an apocalyptic number.

It is an amenable number.

543343613 is a deficient number, since it is larger than the sum of its proper divisors (31961407).

543343613 is a wasteful number, since it uses less digits than its factorization.

543343613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31961406.

The product of its digits is 38880, while the sum is 32.

The square root of 543343613 is about 23309.7321520433. The cubic root of 543343613 is about 816.0025616069.

Adding to 543343613 its reverse (316343345), we get a palindrome (859686958).

The spelling of 543343613 in words is "five hundred forty-three million, three hundred forty-three thousand, six hundred thirteen".