6430243 has 4 divisors (see below), whose sum is σ = 6438160. Its totient is φ = 6422328.

The previous prime is 6430241. The next prime is 6430247. The reversal of 6430243 is 3420346.

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 6430243 - 2¹ = 6430241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6430241) 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, 2580 + ... + 4417.

It is an arithmetic number, because the mean of its divisors is an integer number (1609540).

Almost surely, 2^6430243 is an apocalyptic number.

6430243 is a deficient number, since it is larger than the sum of its proper divisors (7917).

6430243 is an equidigital number, since it uses as much as digits as its factorization.

6430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 6430243 is about 2535.7923810912. The cubic root of 6430243 is about 185.9555430035.

Adding to 6430243 its reverse (3420346), we get a palindrome (9850589).

The spelling of 6430243 in words is "six million, four hundred thirty thousand, two hundred forty-three".