520963536 has 40 divisors (see below), whose sum is σ = 1348529760. Its totient is φ = 173305216.

The previous prime is 520963519. The next prime is 520963537. The reversal of 520963536 is 635369025.

It is a junction number, because it is equal to n+sod(n) for n = 520963494 and 520963503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520963537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13771 + ... + 35093.

It is an arithmetic number, because the mean of its divisors is an integer number (33713244).

Almost surely, 2^520963536 is an apocalyptic number.

It is an amenable number.

520963536 is an abundant number, since it is smaller than the sum of its proper divisors (827566224).

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

520963536 is a wasteful number, since it uses less digits than its factorization.

520963536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843 (or 21837 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 520963536 is about 22824.6256486278. The cubic root of 520963536 is about 804.6415265413.

The spelling of 520963536 in words is "five hundred twenty million, nine hundred sixty-three thousand, five hundred thirty-six".