520290319 has 4 divisors (see below), whose sum is σ = 547674040. Its totient is φ = 492906600.

The previous prime is 520290313. The next prime is 520290349. The reversal of 520290319 is 913092025.

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 520290319 - 2³ = 520290311 is a prime.

It is a super-2 number, since 2×520290319² = 541404032090243522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520290311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13691832 + ... + 13691869.

It is an arithmetic number, because the mean of its divisors is an integer number (136918510).

Almost surely, 2^520290319 is an apocalyptic number.

520290319 is a deficient number, since it is larger than the sum of its proper divisors (27383721).

520290319 is a wasteful number, since it uses less digits than its factorization.

520290319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27383720.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 520290319 is about 22809.8732789115. The cubic root of 520290319 is about 804.2947768349.

The spelling of 520290319 in words is "five hundred twenty million, two hundred ninety thousand, three hundred nineteen".