544543 has 2 divisors, whose sum is σ = 544544. Its totient is φ = 544542.

The previous prime is 544517. The next prime is 544549. The reversal of 544543 is 345445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544543 - 2⁹ = 544031 is a prime.

544543 is a lucky number.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272271 + 272272.

It is an arithmetic number, because the mean of its divisors is an integer number (272272).

2⁵⁴⁴⁵⁴³ is an apocalyptic number.

544543 is a deficient number, since it is larger than the sum of its proper divisors (1).

544543 is an equidigital number, since it uses as much as digits as its factorization.

544543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 25.

The square root of 544543 is about 737.9315686431. The cubic root of 544543 is about 81.6602540201.

Adding to 544543 its reverse (345445), we get a palindrome (889988).

The spelling of 544543 in words is "five hundred forty-four thousand, five hundred forty-three".