520427530 has 48 divisors (see below), whose sum is σ = 1091844576. Its totient is φ = 178083360.

The previous prime is 520427527. The next prime is 520427543. The reversal of 520427530 is 35724025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443845 + ... + 445015.

It is an arithmetic number, because the mean of its divisors is an integer number (22746762).

Almost surely, 2^520427530 is an apocalyptic number.

520427530 is an abundant number, since it is smaller than the sum of its proper divisors (571417046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520427530 is a wasteful number, since it uses less digits than its factorization.

520427530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 520427530 is about 22812.8807913424. The cubic root of 520427530 is about 804.3654735125.

The spelling of 520427530 in words is "five hundred twenty million, four hundred twenty-seven thousand, five hundred thirty".