543494111 has 2 divisors, whose sum is σ = 543494112. Its totient is φ = 543494110.

The previous prime is 543494093. The next prime is 543494113. The reversal of 543494111 is 111494345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543494111 - 2¹⁰ = 543493087 is a prime.

Together with 543494113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543494113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271747055 + 271747056.

It is an arithmetic number, because the mean of its divisors is an integer number (271747056).

Almost surely, 2^543494111 is an apocalyptic number.

543494111 is a deficient number, since it is larger than the sum of its proper divisors (1).

543494111 is an equidigital number, since it uses as much as digits as its factorization.

543494111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 543494111 is about 23312.9601509547. The cubic root of 543494111 is about 816.0778947931.

The spelling of 543494111 in words is "five hundred forty-three million, four hundred ninety-four thousand, one hundred eleven".