520134800 has 60 divisors (see below), whose sum is σ = 1270169076. Its totient is φ = 204633600.

The previous prime is 520134773. The next prime is 520134817. The reversal of 520134800 is 8431025.

It can be written as a sum of positive squares in 6 ways, for example, as 1752976 + 518381824 = 1324^2 + 22768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13742 + ... + 35058.

Almost surely, 2^520134800 is an apocalyptic number.

520134800 is a gapful number since it is divisible by the number (50) 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 520134800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635084538).

520134800 is an abundant number, since it is smaller than the sum of its proper divisors (750034276).

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

520134800 is a wasteful number, since it uses less digits than its factorization.

520134800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396 (or 21385 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 520134800 is about 22806.4639959815. The cubic root of 520134800 is about 804.2146321031.

Adding to 520134800 its reverse (8431025), we get a palindrome (528565825).

The spelling of 520134800 in words is "five hundred twenty million, one hundred thirty-four thousand, eight hundred".