520383528 has 192 divisors, whose sum is σ = 1705075200. Its totient is φ = 148436064.

The previous prime is 520383509. The next prime is 520383541. The reversal of 520383528 is 825383025.

520383528 is a `hidden beast` number, since 52 + 0 + 3 + 83 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 520383492 and 520383501.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 857001 + ... + 857607.

It is an arithmetic number, because the mean of its divisors is an integer number (8880600).

Almost surely, 2^520383528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520383528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852537600).

520383528 is an abundant number, since it is smaller than the sum of its proper divisors (1184691672).

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

520383528 is an equidigital number, since it uses as much as digits as its factorization.

520383528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 520383528 is about 22811.9163596573. The cubic root of 520383528 is about 804.3428032494.

The spelling of 520383528 in words is "five hundred twenty million, three hundred eighty-three thousand, five hundred twenty-eight".