5250320000 has 80 divisors (see below), whose sum is σ = 13070542650. Its totient is φ = 2100096000.

The previous prime is 5250319979. The next prime is 5250320011. The reversal of 5250320000 is 230525.

It can be written as a sum of positive squares in 5 ways, for example, as 44408896 + 5205911104 = 6664^2 + 72152^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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 9 ways as a sum of consecutive naturals, for example, 47186 + ... + 112814.

Almost surely, 2^5250320000 is an apocalyptic number.

5250320000 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 5250320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6535271325).

5250320000 is an abundant number, since it is smaller than the sum of its proper divisors (7820222650).

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

5250320000 is an frugal number, since it uses more digits than its factorization.

5250320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65663 (or 65636 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 5250320000 is about 72459.0919070892. The cubic root of 5250320000 is about 1738.0486337425.

Adding to 5250320000 its reverse (230525), we get a palindrome (5250550525).

The spelling of 5250320000 in words is "five billion, two hundred fifty million, three hundred twenty thousand".