52543 has 2 divisors, whose sum is σ = 52544.
Its totient is φ = 52542.
The previous prime is 52541. The next prime is 52553. The reversal of 52543 is 34525.
It can be divided in two parts, 52 and 543, that added together give a palindrome (595).
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 52543 - 21 = 52541 is a prime.
Together with 52541, it forms a pair of twin primes.
It is an alternating number because its digits alternate between odd and even.
It is equal to p5365 and since 52543 and 5365 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 52543.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (52541) 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, 26271 + 26272.
It is an arithmetic number, because the mean of its divisors is an integer number (26272).
252543 is an apocalyptic number.
52543 is a deficient number, since it is larger than the sum of its proper divisors (1).
52543 is an equidigital number, since it uses as much as digits as its factorization.
52543 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 600, while the sum is 19.
The square root of 52543 is about 229.2225992349.
Note that the first 3 decimals coincide.
The cubic root of 52543 is about 37.4545820515.
The spelling of 52543 in words is "fifty-two thousand, five hundred forty-three".