520417711 has 8 divisors (see below), whose sum is σ = 592412544. Its totient is φ = 452536920.

The previous prime is 520417687. The next prime is 520417721. The reversal of 520417711 is 117714025.

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

It is a de Polignac number, because none of the positive numbers 2^k-520417711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520417711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520417721) 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 7 ways as a sum of consecutive naturals, for example, 1028241 + ... + 1028746.

It is an arithmetic number, because the mean of its divisors is an integer number (74051568).

Almost surely, 2^520417711 is an apocalyptic number.

520417711 is a deficient number, since it is larger than the sum of its proper divisors (71994833).

520417711 is a wasteful number, since it uses less digits than its factorization.

520417711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057021.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 520417711 is about 22812.6655829607. The cubic root of 520417711 is about 804.3604147779.

The spelling of 520417711 in words is "five hundred twenty million, four hundred seventeen thousand, seven hundred eleven".