543111481 has 8 divisors (see below), whose sum is σ = 598238784. Its totient is φ = 488943120.

The previous prime is 543111479. The next prime is 543111497. The reversal of 543111481 is 184111345.

543111481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543111481 - 2¹ = 543111479 is a prime.

It is a super-2 number, since 2×543111481² = 589940161588026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (543111421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238546 + ... + 240811.

It is an arithmetic number, because the mean of its divisors is an integer number (74779848).

Almost surely, 2^543111481 is an apocalyptic number.

It is an amenable number.

543111481 is a deficient number, since it is larger than the sum of its proper divisors (55127303).

543111481 is a wasteful number, since it uses less digits than its factorization.

543111481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479471.

The product of its digits is 1920, while the sum is 28.

The square root of 543111481 is about 23304.7523265106. The cubic root of 543111481 is about 815.8863384755.

The spelling of 543111481 in words is "five hundred forty-three million, one hundred eleven thousand, four hundred eighty-one".