520471011 has 8 divisors (see below), whose sum is σ = 710100160. Its totient is φ = 338911272.

The previous prime is 520471001. The next prime is 520471043. The reversal of 520471011 is 110174025.

It is a happy number.

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

It is not a de Polignac number, because 520471011 - 2⁷ = 520470883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520471001) 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, 2017201 + ... + 2017458.

It is an arithmetic number, because the mean of its divisors is an integer number (88762520).

Almost surely, 2^520471011 is an apocalyptic number.

520471011 is a deficient number, since it is larger than the sum of its proper divisors (189629149).

520471011 is a wasteful number, since it uses less digits than its factorization.

520471011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034705.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 520471011 is about 22813.8337637496. The cubic root of 520471011 is about 804.3878740961.

The spelling of 520471011 in words is "five hundred twenty million, four hundred seventy-one thousand, eleven".