520522146 has 32 divisors (see below), whose sum is σ = 1161247680. Its totient is φ = 172827648.

The previous prime is 520522141. The next prime is 520522187. The reversal of 520522146 is 641225025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (520522141) 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 15 ways as a sum of consecutive naturals, for example, 4876 + ... + 32631.

It is an arithmetic number, because the mean of its divisors is an integer number (36288990).

Almost surely, 2^520522146 is an apocalyptic number.

520522146 is an abundant number, since it is smaller than the sum of its proper divisors (640725534).

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

520522146 is a wasteful number, since it uses less digits than its factorization.

520522146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37775 (or 37769 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 520522146 is about 22814.9544378243. The cubic root of 520522146 is about 804.4142162785.

The spelling of 520522146 in words is "five hundred twenty million, five hundred twenty-two thousand, one hundred forty-six".