520434500 has 48 divisors (see below), whose sum is σ = 1139698560. Its totient is φ = 207612000.

The previous prime is 520434469. The next prime is 520434527. The reversal of 520434500 is 5434025.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 218315 + ... + 220685.

It is an arithmetic number, because the mean of its divisors is an integer number (23743720).

Almost surely, 2^520434500 is an apocalyptic number.

520434500 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 520434500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569849280).

520434500 is an abundant number, since it is smaller than the sum of its proper divisors (619264060).

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

520434500 is a wasteful number, since it uses less digits than its factorization.

520434500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 520434500 is about 22813.0335554042. The cubic root of 520434500 is about 804.3690644078.

Adding to 520434500 its reverse (5434025), we get a palindrome (525868525).

The spelling of 520434500 in words is "five hundred twenty million, four hundred thirty-four thousand, five hundred".