520217075 has 18 divisors (see below), whose sum is σ = 750388356. Its totient is φ = 356719440.

The previous prime is 520217069. The next prime is 520217141. The reversal of 520217075 is 570712025.

It is not a de Polignac number, because 520217075 - 2²⁸ = 251781619 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 211109 + ... + 213558.

It is an arithmetic number, because the mean of its divisors is an integer number (41688242).

Almost surely, 2^520217075 is an apocalyptic number.

520217075 is a deficient number, since it is larger than the sum of its proper divisors (230171281).

520217075 is a wasteful number, since it uses less digits than its factorization.

520217075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424691 (or 424679 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 520217075 is about 22808.2676895901. The cubic root of 520217075 is about 804.2570334642.

The spelling of 520217075 in words is "five hundred twenty million, two hundred seventeen thousand, seventy-five".