5218493 has 8 divisors (see below), whose sum is σ = 6223488. Its totient is φ = 4278384.

The previous prime is 5218487. The next prime is 5218511. The reversal of 5218493 is 3948125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5218493 - 2¹⁰ = 5217469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16046 + ... + 16367.

It is an arithmetic number, because the mean of its divisors is an integer number (777936).

Almost surely, 2^5218493 is an apocalyptic number.

It is an amenable number.

5218493 is a deficient number, since it is larger than the sum of its proper divisors (1004995).

5218493 is a wasteful number, since it uses less digits than its factorization.

5218493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32443.

The product of its digits is 8640, while the sum is 32.

The square root of 5218493 is about 2284.4021099623. The cubic root of 5218493 is about 173.4529544922.

The spelling of 5218493 in words is "five million, two hundred eighteen thousand, four hundred ninety-three".