520145060 has 24 divisors (see below), whose sum is σ = 1096259640. Its totient is φ = 207304704.

The previous prime is 520144979. The next prime is 520145111. The reversal of 520145060 is 60541025.

It can be written as a sum of positive squares in 4 ways, for example, as 22676644 + 497468416 = 4762^2 + 22304^2 .

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 7 ways as a sum of consecutive naturals, for example, 41405 + ... + 52484.

It is an arithmetic number, because the mean of its divisors is an integer number (45677485).

Almost surely, 2^520145060 is an apocalyptic number.

It is an amenable number.

520145060 is an abundant number, since it is smaller than the sum of its proper divisors (576114580).

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

520145060 is a wasteful number, since it uses less digits than its factorization.

520145060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94175 (or 94173 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 520145060 is about 22806.6889311009. The cubic root of 520145060 is about 804.2199199553.

Adding to 520145060 its reverse (60541025), we get a palindrome (580686085).

The spelling of 520145060 in words is "five hundred twenty million, one hundred forty-five thousand, sixty".