5255252309 has 2 divisors, whose sum is σ = 5255252310. Its totient is φ = 5255252308.

The previous prime is 5255252291. The next prime is 5255252329. The reversal of 5255252309 is 9032525525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5234522500 + 20729809 = 72350^2 + 4553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5255252309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5255252329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627626154 + 2627626155.

It is an arithmetic number, because the mean of its divisors is an integer number (2627626155).

Almost surely, 2^5255252309 is an apocalyptic number.

It is an amenable number.

5255252309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255252309 is an equidigital number, since it uses as much as digits as its factorization.

5255252309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 5255252309 is about 72493.1190458791. The cubic root of 5255252309 is about 1738.5927218405.

The spelling of 5255252309 in words is "five billion, two hundred fifty-five million, two hundred fifty-two thousand, three hundred nine".