6321243 has 8 divisors (see below), whose sum is σ = 8872000. Its totient is φ = 3992328.

The previous prime is 6321223. The next prime is 6321253. The reversal of 6321243 is 3421236.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6321243 - 2⁸ = 6320987 is a prime.

It is a super-2 number, since 2×6321243² = 79916226130098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6321223) 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 in 7 ways as a sum of consecutive naturals, for example, 55393 + ... + 55506.

It is an arithmetic number, because the mean of its divisors is an integer number (1109000).

Almost surely, 2^6321243 is an apocalyptic number.

6321243 is a deficient number, since it is larger than the sum of its proper divisors (2550757).

6321243 is a wasteful number, since it uses less digits than its factorization.

6321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110921.

The product of its digits is 864, while the sum is 21.

The square root of 6321243 is about 2514.2082252670. The cubic root of 6321243 is about 184.8988295140.

Adding to 6321243 its reverse (3421236), we get a palindrome (9742479).

The spelling of 6321243 in words is "six million, three hundred twenty-one thousand, two hundred forty-three".