520543413 has 24 divisors (see below), whose sum is σ = 835860480. Its totient is φ = 309998880.

The previous prime is 520543379. The next prime is 520543483. The reversal of 520543413 is 314345025.

520543413 is a `hidden beast` number, since 5 + 205 + 43 + 413 = 666.

It is not a de Polignac number, because 520543413 - 2¹⁰ = 520542389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520543483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68133 + ... + 75386.

It is an arithmetic number, because the mean of its divisors is an integer number (34827520).

Almost surely, 2^520543413 is an apocalyptic number.

It is an amenable number.

520543413 is a deficient number, since it is larger than the sum of its proper divisors (315317067).

520543413 is a wasteful number, since it uses less digits than its factorization.

520543413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143569 (or 143566 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 520543413 is about 22815.4205089453. The cubic root of 520543413 is about 804.4251714603.

Adding to 520543413 its reverse (314345025), we get a palindrome (834888438).

The spelling of 520543413 in words is "five hundred twenty million, five hundred forty-three thousand, four hundred thirteen".