520536 has 48 divisors (see below), whose sum is σ = 1393560. Its totient is φ = 161920.

The previous prime is 520529. The next prime is 520547. The reversal of 520536 is 635025.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 12676 + ... + 12716.

2⁵²⁰⁵³⁶ 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 520536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696780).

520536 is an abundant number, since it is smaller than the sum of its proper divisors (873024).

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

520536 is a wasteful number, since it uses less digits than its factorization.

520536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 520536 is about 721.4818085025. The cubic root of 520536 is about 80.4421352866.

The spelling of 520536 in words is "five hundred twenty thousand, five hundred thirty-six".