520775107 has 16 divisors (see below), whose sum is σ = 555563008. Its totient is φ = 487347840.

The previous prime is 520775081. The next prime is 520775113. The reversal of 520775107 is 701577025.

It is a cyclic number.

It is not a de Polignac number, because 520775107 - 2¹¹ = 520773059 is a prime.

It is a super-2 number, since 2×520775107² = 542413424141722898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520775137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135403 + ... + 139195.

It is an arithmetic number, because the mean of its divisors is an integer number (34722688).

Almost surely, 2^520775107 is an apocalyptic number.

520775107 is a deficient number, since it is larger than the sum of its proper divisors (34787901).

520775107 is a wasteful number, since it uses less digits than its factorization.

520775107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 520775107 is about 22820.4975186782. The cubic root of 520775107 is about 804.5445037037.

The spelling of 520775107 in words is "five hundred twenty million, seven hundred seventy-five thousand, one hundred seven".