5250250000 has 70 divisors (see below), whose sum is σ = 12715891922. Its totient is φ = 2100000000.

The previous prime is 5250249989. The next prime is 5250250001. The reversal of 5250250000 is 520525.

It can be written as a sum of positive squares in 7 ways, for example, as 5073997824 + 176252176 = 71232^2 + 13276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5250250000.

It is not an unprimeable number, because it can be changed into a prime (5250250001) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 239500 + ... + 260500.

Almost surely, 2^5250250000 is an apocalyptic number.

5250250000 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 5250250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6357945961).

5250250000 is an abundant number, since it is smaller than the sum of its proper divisors (7465641922).

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

5250250000 is an frugal number, since it uses more digits than its factorization.

5250250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039 (or 21008 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 5250250000 is about 72458.6088743084. The cubic root of 5250250000 is about 1738.0409095184.

Adding to 5250250000 its reverse (520525), we get a palindrome (5250770525).

The spelling of 5250250000 in words is "five billion, two hundred fifty million, two hundred fifty thousand".