520506411 has 4 divisors (see below), whose sum is σ = 694008552. Its totient is φ = 347004272.

The previous prime is 520506409. The next prime is 520506419. The reversal of 520506411 is 114605025.

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 520506411 - 2¹ = 520506409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520506419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86751066 + ... + 86751071.

It is an arithmetic number, because the mean of its divisors is an integer number (173502138).

Almost surely, 2^520506411 is an apocalyptic number.

520506411 is a deficient number, since it is larger than the sum of its proper divisors (173502141).

520506411 is a wasteful number, since it uses less digits than its factorization.

520506411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173502140.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 520506411 is about 22814.6095956078. The cubic root of 520506411 is about 804.4061105810.

The spelling of 520506411 in words is "five hundred twenty million, five hundred six thousand, four hundred eleven".