520897600 has 84 divisors (see below), whose sum is σ = 1286611600. Its totient is φ = 207567360.

The previous prime is 520897591. The next prime is 520897609. The reversal of 520897600 is 6798025.

It is an interprime number because it is at equal distance from previous prime (520897591) and next prime (520897609).

It is a self number, because there is not a number n which added to its sum of digits gives 520897600.

It is not an unprimeable number, because it can be changed into a prime (520897609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605971 + ... + 606829.

Almost surely, 2^520897600 is an apocalyptic number.

520897600 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 520897600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643305800).

520897600 is an abundant number, since it is smaller than the sum of its proper divisors (765714000).

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

520897600 is a wasteful number, since it uses less digits than its factorization.

520897600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 520897600 is about 22823.1811980714. The cubic root of 520897600 is about 804.6075784954.

The spelling of 520897600 in words is "five hundred twenty million, eight hundred ninety-seven thousand, six hundred".