520144211 has 4 divisors (see below), whose sum is σ = 532240632. Its totient is φ = 508047792.

The previous prime is 520144181. The next prime is 520144259. The reversal of 520144211 is 112441025.

It is a happy number.

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 520144211 - 2¹⁰ = 520143187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520144271) 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 3 ways as a sum of consecutive naturals, for example, 6048146 + ... + 6048231.

It is an arithmetic number, because the mean of its divisors is an integer number (133060158).

Almost surely, 2^520144211 is an apocalyptic number.

520144211 is a deficient number, since it is larger than the sum of its proper divisors (12096421).

520144211 is a wasteful number, since it uses less digits than its factorization.

520144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096420.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 520144211 is about 22806.6703181328. The cubic root of 520144211 is about 804.2194823959.

Adding to 520144211 its reverse (112441025), we get a palindrome (632585236).

The spelling of 520144211 in words is "five hundred twenty million, one hundred forty-four thousand, two hundred eleven".