6242321 has 4 divisors (see below), whose sum is σ = 6299700. Its totient is φ = 6184944.

The previous prime is 6242263. The next prime is 6242363. The reversal of 6242321 is 1232426.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5313025 + 929296 = 2305^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 6242321 - 2¹⁰ = 6241297 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6242293 and 6242302.

It is not an unprimeable number, because it can be changed into a prime (6242021) 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, 28526 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (1574925).

Almost surely, 2^6242321 is an apocalyptic number.

It is an amenable number.

6242321 is a deficient number, since it is larger than the sum of its proper divisors (57379).

6242321 is a wasteful number, since it uses less digits than its factorization.

6242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57378.

The product of its digits is 576, while the sum is 20.

The square root of 6242321 is about 2498.4637279737. The cubic root of 6242321 is about 184.1261048741.

Adding to 6242321 its reverse (1232426), we get a palindrome (7474747).

The spelling of 6242321 in words is "six million, two hundred forty-two thousand, three hundred twenty-one".