520297853519 has 4 divisors (see below), whose sum is σ = 523611852744. Its totient is φ = 516983854296.

The previous prime is 520297853461. The next prime is 520297853521. The reversal of 520297853519 is 915358792025.

It is a happy number.

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 520297853519 - 2²⁰ = 520296804943 is a prime.

It is a super-2 number, since 2×520297853519² (a number of 24 digits) 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 (520297853539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656999377 + ... + 1656999690.

It is an arithmetic number, because the mean of its divisors is an integer number (130902963186).

Almost surely, 2^520297853519 is an apocalyptic number.

520297853519 is a deficient number, since it is larger than the sum of its proper divisors (3313999225).

520297853519 is a wasteful number, since it uses less digits than its factorization.

520297853519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313999224.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 520297853519 in words is "five hundred twenty billion, two hundred ninety-seven million, eight hundred fifty-three thousand, five hundred nineteen".