520522411 has 8 divisors (see below), whose sum is σ = 525848400. Its totient is φ = 515221152.

The previous prime is 520522393. The next prime is 520522427. The reversal of 520522411 is 114225025.

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

It is a cyclic number.

It is not a de Polignac number, because 520522411 - 2⁷ = 520522283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520522451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37696 + ... + 49618.

It is an arithmetic number, because the mean of its divisors is an integer number (65731050).

Almost surely, 2^520522411 is an apocalyptic number.

520522411 is a deficient number, since it is larger than the sum of its proper divisors (5325989).

520522411 is a wasteful number, since it uses less digits than its factorization.

520522411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 520522411 is about 22814.9602454179. The cubic root of 520522411 is about 804.4143527887.

Adding to 520522411 its reverse (114225025), we get a palindrome (634747436).

The spelling of 520522411 in words is "five hundred twenty million, five hundred twenty-two thousand, four hundred eleven".