5250006500 has 24 divisors (see below), whose sum is σ = 11466015288. Its totient is φ = 2100002400.

The previous prime is 5250006409. The next prime is 5250006551. The reversal of 5250006500 is 56000525.

It can be written as a sum of positive squares in 4 ways, for example, as 1286800384 + 3963206116 = 35872^2 + 62954^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249507 + ... + 5250506.

It is an arithmetic number, because the mean of its divisors is an integer number (477750637).

Almost surely, 2^5250006500 is an apocalyptic number.

5250006500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5250006500 is an abundant number, since it is smaller than the sum of its proper divisors (6216008788).

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

5250006500 is a wasteful number, since it uses less digits than its factorization.

5250006500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500032 (or 10500020 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5250006500 is about 72456.9285851947. The cubic root of 5250006500 is about 1738.0140397183.

The spelling of 5250006500 in words is "five billion, two hundred fifty million, six thousand, five hundred".