520655411 has 8 divisors (see below), whose sum is σ = 531178560. Its totient is φ = 510158272.

The previous prime is 520655389. The next prime is 520655417. The reversal of 520655411 is 114556025.

It is a happy number.

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 520655411 - 2¹⁴ = 520639027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520655417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36806 + ... + 48948.

It is an arithmetic number, because the mean of its divisors is an integer number (66397320).

Almost surely, 2^520655411 is an apocalyptic number.

520655411 is a deficient number, since it is larger than the sum of its proper divisors (10523149).

520655411 is a wasteful number, since it uses less digits than its factorization.

520655411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 520655411 is about 22817.8748134001. The cubic root of 520655411 is about 804.4828596040.

The spelling of 520655411 in words is "five hundred twenty million, six hundred fifty-five thousand, four hundred eleven".