5218143 has 8 divisors (see below), whose sum is σ = 7951488. Its totient is φ = 2981784.

The previous prime is 5218139. The next prime is 5218151. The reversal of 5218143 is 3418125.

5218143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5218143 - 2² = 5218139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218243) 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 7 ways as a sum of consecutive naturals, for example, 124221 + ... + 124262.

It is an arithmetic number, because the mean of its divisors is an integer number (993936).

Almost surely, 2^5218143 is an apocalyptic number.

5218143 is a deficient number, since it is larger than the sum of its proper divisors (2733345).

5218143 is a wasteful number, since it uses less digits than its factorization.

5218143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248493.

The product of its digits is 960, while the sum is 24.

The square root of 5218143 is about 2284.3255021997. The cubic root of 5218143 is about 173.4490766236.

The spelling of 5218143 in words is "five million, two hundred eighteen thousand, one hundred forty-three".