520113152 has 88 divisors (see below), whose sum is σ = 1134856800. Its totient is φ = 236814336.

The previous prime is 520113151. The next prime is 520113157. The reversal of 520113152 is 251311025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (520113151) 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, 1184549 + ... + 1184987.

It is an arithmetic number, because the mean of its divisors is an integer number (12896100).

Almost surely, 2^520113152 is an apocalyptic number.

520113152 is a gapful number since it is divisible by the number (52) 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 520113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567428400).

520113152 is an abundant number, since it is smaller than the sum of its proper divisors (614743648).

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

520113152 is a wasteful number, since it uses less digits than its factorization.

520113152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 520113152 is about 22805.9893887549. The cubic root of 520113152 is about 804.2034748160.

Adding to 520113152 its reverse (251311025), we get a palindrome (771424177).

The spelling of 520113152 in words is "five hundred twenty million, one hundred thirteen thousand, one hundred fifty-two".