520319 has 8 divisors (see below), whose sum is σ = 557568. Its totient is φ = 483840.

The previous prime is 520313. The next prime is 520339. The reversal of 520319 is 913025.

520319 is nontrivially palindromic in base 2.

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 520319 - 2⁸ = 520063 is a prime.

It is a super-2 number, since 2×520319² = 541463723522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 520319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (69696).

2⁵²⁰³¹⁹ is an apocalyptic number.

520319 is a deficient number, since it is larger than the sum of its proper divisors (37249).

520319 is a wasteful number, since it uses less digits than its factorization.

520319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 520319 is about 721.3314078841. The cubic root of 520319 is about 80.4309555478.

The spelling of 520319 in words is "five hundred twenty thousand, three hundred nineteen".