5250428509 has 2 divisors, whose sum is σ = 5250428510. Its totient is φ = 5250428508.

The previous prime is 5250428503. The next prime is 5250428551. The reversal of 5250428509 is 9058240525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3463675609 + 1786752900 = 58853^2 + 42270^2 .

It is a cyclic number.

It is not a de Polignac number, because 5250428509 - 2¹⁹ = 5249904221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5250428503) by changing a digit.

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 as a sum of consecutive naturals, namely, 2625214254 + 2625214255.

It is an arithmetic number, because the mean of its divisors is an integer number (2625214255).

Almost surely, 2^5250428509 is an apocalyptic number.

It is an amenable number.

5250428509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5250428509 is an equidigital number, since it uses as much as digits as its factorization.

5250428509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5250428509 is about 72459.8406636393. The cubic root of 5250428509 is about 1738.0606071473.

The spelling of 5250428509 in words is "five billion, two hundred fifty million, four hundred twenty-eight thousand, five hundred nine".