5238643 has 4 divisors (see below), whose sum is σ = 5273488. Its totient is φ = 5203800.

The previous prime is 5238581. The next prime is 5238671. The reversal of 5238643 is 3468325.

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 5238643 - 2²¹ = 3141491 is a prime.

It is a d-powerful number, because it can be written as 5⁹ + 2¹⁹ + 3³ + 8⁵ + 6⁸ + 4¹⁰ + 3⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5238143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17196 + ... + 17497.

It is an arithmetic number, because the mean of its divisors is an integer number (1318372).

Almost surely, 2^5238643 is an apocalyptic number.

5238643 is a deficient number, since it is larger than the sum of its proper divisors (34845).

5238643 is a wasteful number, since it uses less digits than its factorization.

5238643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34844.

The product of its digits is 17280, while the sum is 31.

The square root of 5238643 is about 2288.8082051583. The cubic root of 5238643 is about 173.6759172123.

The spelling of 5238643 in words is "five million, two hundred thirty-eight thousand, six hundred forty-three".