520066051 has 4 divisors (see below), whose sum is σ = 529878672. Its totient is φ = 510253432.

The previous prime is 520066049. The next prime is 520066093. The reversal of 520066051 is 150660025.

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 520066051 - 2¹ = 520066049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520066031) 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 3 ways as a sum of consecutive naturals, for example, 4906231 + ... + 4906336.

It is an arithmetic number, because the mean of its divisors is an integer number (132469668).

Almost surely, 2^520066051 is an apocalyptic number.

520066051 is a deficient number, since it is larger than the sum of its proper divisors (9812621).

520066051 is an equidigital number, since it uses as much as digits as its factorization.

520066051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812620.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 520066051 is about 22804.9567199765. The cubic root of 520066051 is about 804.1791980913.

The spelling of 520066051 in words is "five hundred twenty million, sixty-six thousand, fifty-one".