520331952 has 160 divisors (see below), whose sum is σ = 1594183680. Its totient is φ = 143170560.

The previous prime is 520331951. The next prime is 520332017. The reversal of 520331952 is 259133025.

It is not an unprimeable number, because it can be changed into a prime (520331951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086049 + ... + 1086527.

It is an arithmetic number, because the mean of its divisors is an integer number (9963648).

Almost surely, 2^520331952 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 520331952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797091840).

520331952 is an abundant number, since it is smaller than the sum of its proper divisors (1073851728).

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

520331952 is a wasteful number, since it uses less digits than its factorization.

520331952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 520331952 is about 22810.7858698467. The cubic root of 520331952 is about 804.3162291601.

Adding to 520331952 its reverse (259133025), we get a palindrome (779464977).

The spelling of 520331952 in words is "five hundred twenty million, three hundred thirty-one thousand, nine hundred fifty-two".