5244872509 has 2 divisors, whose sum is σ = 5244872510. Its totient is φ = 5244872508.

The previous prime is 5244872473. The next prime is 5244872557. The reversal of 5244872509 is 9052784425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4593857284 + 651015225 = 67778^2 + 25515^2 .

It is a cyclic number.

It is not a de Polignac number, because 5244872509 - 2¹¹ = 5244870461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5244872599) 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, 2622436254 + 2622436255.

It is an arithmetic number, because the mean of its divisors is an integer number (2622436255).

Almost surely, 2^5244872509 is an apocalyptic number.

It is an amenable number.

5244872509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5244872509 is an equidigital number, since it uses as much as digits as its factorization.

5244872509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 5244872509 is about 72421.4920379303. The cubic root of 5244872509 is about 1737.4473192384.

The spelling of 5244872509 in words is "five billion, two hundred forty-four million, eight hundred seventy-two thousand, five hundred nine".