5220679 has 4 divisors (see below), whose sum is σ = 5389120. Its totient is φ = 5052240.

The previous prime is 5220661. The next prime is 5220689. The reversal of 5220679 is 9760225.

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 5220679 - 2⁵ = 5220647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 168409 = 5220679 / (5 + 2 + 2 + 0 + 6 + 7 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5220679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220689) 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 3 ways as a sum of consecutive naturals, for example, 84174 + ... + 84235.

It is an arithmetic number, because the mean of its divisors is an integer number (1347280).

Almost surely, 2^5220679 is an apocalyptic number.

5220679 is a deficient number, since it is larger than the sum of its proper divisors (168441).

5220679 is a wasteful number, since it uses less digits than its factorization.

5220679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168440.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 5220679 is about 2284.8805220405. The cubic root of 5220679 is about 173.4771706294.

The spelling of 5220679 in words is "five million, two hundred twenty thousand, six hundred seventy-nine".