520079 has 4 divisors (see below), whose sum is σ = 594384. Its totient is φ = 445776.

The previous prime is 520073. The next prime is 520103. The reversal of 520079 is 970025.

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 520079 - 2⁴ = 520063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520073) 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, 37142 + ... + 37155.

It is an arithmetic number, because the mean of its divisors is an integer number (148596).

2⁵²⁰⁰⁷⁹ is an apocalyptic number.

520079 is a deficient number, since it is larger than the sum of its proper divisors (74305).

520079 is an equidigital number, since it uses as much as digits as its factorization.

520079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74304.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 520079 is about 721.1650296569. The cubic root of 520079 is about 80.4185872391.

The spelling of 520079 in words is "five hundred twenty thousand, seventy-nine".