520800849 has 48 divisors (see below), whose sum is σ = 812148480. Its totient is φ = 320617440.

The previous prime is 520800829. The next prime is 520800853. The reversal of 520800849 is 948008025.

It is not a de Polignac number, because 520800849 - 2¹¹ = 520798801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520800829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1500694 + ... + 1501040.

It is an arithmetic number, because the mean of its divisors is an integer number (16919760).

Almost surely, 2^520800849 is an apocalyptic number.

It is an amenable number.

520800849 is a deficient number, since it is larger than the sum of its proper divisors (291347631).

520800849 is a wasteful number, since it uses less digits than its factorization.

520800849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 520800849 is about 22821.0615221992. The cubic root of 520800849 is about 804.5577597415.

The spelling of 520800849 in words is "five hundred twenty million, eight hundred thousand, eight hundred forty-nine".