6365243 has 4 divisors (see below), whose sum is σ = 6370848. Its totient is φ = 6359640.

The previous prime is 6365231. The next prime is 6365263. The reversal of 6365243 is 3425636.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6365243 - 2¹⁸ = 6103099 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 3 + 6⁸ + 5⁷ + 2¹⁷ + 4¹¹ + 3⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6365263) 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, 428 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (1592712).

Almost surely, 2^6365243 is an apocalyptic number.

6365243 is a deficient number, since it is larger than the sum of its proper divisors (5605).

6365243 is a wasteful number, since it uses less digits than its factorization.

6365243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its digits is 12960, while the sum is 29.

The square root of 6365243 is about 2522.9433208061. The cubic root of 6365243 is about 185.3268436933.

The spelling of 6365243 in words is "six million, three hundred sixty-five thousand, two hundred forty-three".