520576 has 48 divisors (see below), whose sum is σ = 1220940. Its totient is φ = 220416.

The previous prime is 520571. The next prime is 520589. The reversal of 520576 is 675025.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 520576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6231 + ... + 6313.

2⁵²⁰⁵⁷⁶ is an apocalyptic number.

520576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610470).

520576 is an abundant number, since it is smaller than the sum of its proper divisors (700364).

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

520576 is an equidigital number, since it uses as much as digits as its factorization.

520576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 520576 is about 721.5095286966. The cubic root of 520576 is about 80.4441957288. Note that the first 3 decimals are identical.

Subtracting 520576 from its reverse (675025), we obtain a square (154449 = 393²).

The spelling of 520576 in words is "five hundred twenty thousand, five hundred seventy-six".