543393 has 12 divisors (see below), whose sum is σ = 791700. Its totient is φ = 359136.

The previous prime is 543383. The next prime is 543407. The reversal of 543393 is 393345.

It can be written as a sum of positive squares in 2 ways, for example, as 451584 + 91809 = 672^2 + 303^2 .

It is not a de Polignac number, because 543393 - 2¹⁶ = 477857 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (543313) 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 in 11 ways as a sum of consecutive naturals, for example, 1383 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (65975).

2⁵⁴³³⁹³ is an apocalyptic number.

It is an amenable number.

543393 is a deficient number, since it is larger than the sum of its proper divisors (248307).

543393 is a wasteful number, since it uses less digits than its factorization.

543393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 543393 is about 737.1519517711. The cubic root of 543393 is about 81.6027284266.

The spelling of 543393 in words is "five hundred forty-three thousand, three hundred ninety-three".