493543 has 4 divisors (see below), whose sum is σ = 506920. Its totient is φ = 480168.

The previous prime is 493541. The next prime is 493567. The reversal of 493543 is 345394.

493543 = 97² + 98² + ... + 133².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493543 - 2¹ = 493541 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (126730).

2⁴⁹³⁵⁴³ is an apocalyptic number.

493543 is a deficient number, since it is larger than the sum of its proper divisors (13377).

493543 is a wasteful number, since it uses less digits than its factorization.

493543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13376.

The product of its digits is 6480, while the sum is 28.

The square root of 493543 is about 702.5261560967. The cubic root of 493543 is about 79.0269095958.

The spelling of 493543 in words is "four hundred ninety-three thousand, five hundred forty-three".