5218679 has 4 divisors (see below), whose sum is σ = 5264976. Its totient is φ = 5172384.

The previous prime is 5218669. The next prime is 5218691. The reversal of 5218679 is 9768125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5218679 is a prime.

It is a super-2 number, since 2×5218679² = 54469221010082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218639) 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, 22979 + ... + 23204.

It is an arithmetic number, because the mean of its divisors is an integer number (1316244).

Almost surely, 2^5218679 is an apocalyptic number.

5218679 is a deficient number, since it is larger than the sum of its proper divisors (46297).

5218679 is a wasteful number, since it uses less digits than its factorization.

5218679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46296.

The product of its digits is 30240, while the sum is 38.

The square root of 5218679 is about 2284.4428204707. The cubic root of 5218679 is about 173.4550152319.

The spelling of 5218679 in words is "five million, two hundred eighteen thousand, six hundred seventy-nine".