5636243 has 4 divisors (see below), whose sum is σ = 5643240. Its totient is φ = 5629248.

The previous prime is 5636233. The next prime is 5636249. The reversal of 5636243 is 3426365.

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 5636243 - 2¹⁰ = 5635219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5636249) 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, 2105 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (1410810).

Almost surely, 2^5636243 is an apocalyptic number.

5636243 is a deficient number, since it is larger than the sum of its proper divisors (6997).

5636243 is an equidigital number, since it uses as much as digits as its factorization.

5636243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996.

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

The square root of 5636243 is about 2374.0772944451. The cubic root of 5636243 is about 177.9630757059.

The spelling of 5636243 in words is "five million, six hundred thirty-six thousand, two hundred forty-three".