520308850 has 12 divisors (see below), whose sum is σ = 967774554. Its totient is φ = 208123520.

The previous prime is 520308827. The next prime is 520308853. The reversal of 520308850 is 58803025.

It can be written as a sum of positive squares in 3 ways, for example, as 417752721 + 102556129 = 20439^2 + 10127^2 .

It is not an unprimeable number, because it can be changed into a prime (520308853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5203039 + ... + 5203138.

Almost surely, 2^520308850 is an apocalyptic number.

520308850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520308850 is a deficient number, since it is larger than the sum of its proper divisors (447465704).

520308850 is a wasteful number, since it uses less digits than its factorization.

520308850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406189 (or 10406184 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 520308850 is about 22810.2794809709. The cubic root of 520308850 is about 804.3043254843.

The spelling of 520308850 in words is "five hundred twenty million, three hundred eight thousand, eight hundred fifty".