533543 has 2 divisors, whose sum is σ = 533544. Its totient is φ = 533542.

The previous prime is 533509. The next prime is 533549. The reversal of 533543 is 345335.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266771 + 266772.

It is an arithmetic number, because the mean of its divisors is an integer number (266772).

2⁵³³⁵⁴³ is an apocalyptic number.

533543 is a deficient number, since it is larger than the sum of its proper divisors (1).

533543 is an equidigital number, since it uses as much as digits as its factorization.

533543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 23.

The square root of 533543 is about 730.4402781884. The cubic root of 533543 is about 81.1066521739.

Adding to 533543 its reverse (345335), we get a palindrome (878878).

The spelling of 533543 in words is "five hundred thirty-three thousand, five hundred forty-three".