5248120309 has 2 divisors, whose sum is σ = 5248120310. Its totient is φ = 5248120308.

The previous prime is 5248120259. The next prime is 5248120369. The reversal of 5248120309 is 9030218425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3618383409 + 1629736900 = 60153^2 + 40370^2 .

It is a cyclic number.

It is not a de Polignac number, because 5248120309 - 2⁷ = 5248120181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5248120369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624060154 + 2624060155.

It is an arithmetic number, because the mean of its divisors is an integer number (2624060155).

Almost surely, 2^5248120309 is an apocalyptic number.

It is an amenable number.

5248120309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5248120309 is an equidigital number, since it uses as much as digits as its factorization.

5248120309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5248120309 is about 72443.9114694948. The cubic root of 5248120309 is about 1737.8058736832.

The spelling of 5248120309 in words is "five billion, two hundred forty-eight million, one hundred twenty thousand, three hundred nine".