520412343 has 8 divisors (see below), whose sum is σ = 756963456. Its totient is φ = 315401400.

The previous prime is 520412317. The next prime is 520412371. The reversal of 520412343 is 343214025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520412343 - 2⁵ = 520412311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520412443) 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 7 ways as a sum of consecutive naturals, for example, 7885003 + ... + 7885068.

It is an arithmetic number, because the mean of its divisors is an integer number (94620432).

Almost surely, 2^520412343 is an apocalyptic number.

520412343 is a deficient number, since it is larger than the sum of its proper divisors (236551113).

520412343 is a wasteful number, since it uses less digits than its factorization.

520412343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770085.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 520412343 is about 22812.5479287168. The cubic root of 520412343 is about 804.3576491652.

Adding to 520412343 its reverse (343214025), we get a palindrome (863626368).

The spelling of 520412343 in words is "five hundred twenty million, four hundred twelve thousand, three hundred forty-three".