520504352 has 48 divisors (see below), whose sum is σ = 1073761920. Its totient is φ = 247898112.

The previous prime is 520504349. The next prime is 520504357. The reversal of 520504352 is 253405025.

It is not an unprimeable number, because it can be changed into a prime (520504357) 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, 192224 + ... + 194912.

It is an arithmetic number, because the mean of its divisors is an integer number (22370040).

Almost surely, 2^520504352 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 520504352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536880960).

520504352 is an abundant number, since it is smaller than the sum of its proper divisors (553257568).

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

520504352 is a wasteful number, since it uses less digits than its factorization.

520504352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 520504352 is about 22814.5644709690. The cubic root of 520504352 is about 804.4050498996.

Adding to 520504352 its reverse (253405025), we get a palindrome (773909377).

The spelling of 520504352 in words is "five hundred twenty million, five hundred four thousand, three hundred fifty-two".