520936900 has 36 divisors (see below), whose sum is σ = 1233202320. Its totient is φ = 189431200.

The previous prime is 520936879. The next prime is 520936903. The reversal of 520936900 is 9639025.

It is a happy number.

It is a super-2 number, since 2×520936900² = 542750507563220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520936903) 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, 235690 + ... + 237889.

It is an arithmetic number, because the mean of its divisors is an integer number (34255620).

Almost surely, 2^520936900 is an apocalyptic number.

520936900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520936900 is an abundant number, since it is smaller than the sum of its proper divisors (712265420).

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

520936900 is a wasteful number, since it uses less digits than its factorization.

520936900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473604 (or 473597 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 520936900 is about 22824.0421485766. The cubic root of 520936900 is about 804.6278129795.

The spelling of 520936900 in words is "five hundred twenty million, nine hundred thirty-six thousand, nine hundred".