543808345 has 4 divisors (see below), whose sum is σ = 652570020. Its totient is φ = 435046672.

The previous prime is 543808327. The next prime is 543808357.

543808345 is nontrivially palindromic in base 10.

543808345 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.

It can be written as a sum of positive squares in 2 ways, for example, as 411765264 + 132043081 = 20292^2 + 11491^2 .

It is a cyclic number.

It is not a de Polignac number, because 543808345 - 2¹⁵ = 543775577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543808298 and 543808307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54380830 + ... + 54380839.

It is an arithmetic number, because the mean of its divisors is an integer number (163142505).

Almost surely, 2^543808345 is an apocalyptic number.

It is an amenable number.

543808345 is a deficient number, since it is larger than the sum of its proper divisors (108761675).

543808345 is a wasteful number, since it uses less digits than its factorization.

543808345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108761674.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 543808345 is about 23319.6986472810. The cubic root of 543808345 is about 816.2351427495.

The spelling of 543808345 in words is "five hundred forty-three million, eight hundred eight thousand, three hundred forty-five".