6520312050 has 192 divisors, whose sum is σ = 19118657280. Its totient is φ = 1439493120.

The previous prime is 6520312027. The next prime is 6520312069. The reversal of 6520312050 is 502130256.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6520312050.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6098916 + ... + 6099984.

It is an arithmetic number, because the mean of its divisors is an integer number (99576340).

Almost surely, 2^6520312050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6520312050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9559328640).

6520312050 is an abundant number, since it is smaller than the sum of its proper divisors (12598345230).

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

6520312050 is a wasteful number, since it uses less digits than its factorization.

6520312050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6520312050 is about 80748.4492111149. The cubic root of 6520312050 is about 1868.1975301496.

The spelling of 6520312050 in words is "six billion, five hundred twenty million, three hundred twelve thousand, fifty".