543611045 has 4 divisors (see below), whose sum is σ = 652333260. Its totient is φ = 434888832.

The previous prime is 543611041. The next prime is 543611051. The reversal of 543611045 is 540116345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540116345 = 5 ⋅108023269.

It can be written as a sum of positive squares in 2 ways, for example, as 378925156 + 164685889 = 19466^2 + 12833^2 .

It is a cyclic number.

It is not a de Polignac number, because 543611045 - 2² = 543611041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 543610999 and 543611017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543611041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54361100 + ... + 54361109.

It is an arithmetic number, because the mean of its divisors is an integer number (163083315).

Almost surely, 2^543611045 is an apocalyptic number.

It is an amenable number.

543611045 is a deficient number, since it is larger than the sum of its proper divisors (108722215).

543611045 is a wasteful number, since it uses less digits than its factorization.

543611045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108722214.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 543611045 is about 23315.4679343993. The cubic root of 543611045 is about 816.1364176042.

The spelling of 543611045 in words is "five hundred forty-three million, six hundred eleven thousand, forty-five".