6243 has 4 divisors (see below), whose sum is σ = 8328. Its totient is φ = 4160.

The previous prime is 6229. The next prime is 6247. The reversal of 6243 is 3426.

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 6243 - 2⁵ = 6211 is a prime.

It is a D-number.

6243 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (2082).

2⁶²⁴³ is an apocalyptic number.

6243 is a deficient number, since it is larger than the sum of its proper divisors (2085).

6243 is a wasteful number, since it uses less digits than its factorization.

6243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its digits is 144, while the sum is 15.

The square root of 6243 is about 79.0126572139. The cubic root of 6243 is about 18.4132780654.

Adding to 6243 its reverse (3426), we get a palindrome (9669).

It can be divided in two parts, 62 and 43, that added together give a triangular number (105 = T₁₄).

The spelling of 6243 in words is "six thousand, two hundred forty-three".