52502313209 has 2 divisors, whose sum is σ = 52502313210. Its totient is φ = 52502313208.

The previous prime is 52502313173. The next prime is 52502313257. The reversal of 52502313209 is 90231320525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35700968809 + 16801344400 = 188947^2 + 129620^2 .

It is a cyclic number.

It is not a de Polignac number, because 52502313209 - 2²⁰ = 52501264633 is a prime.

It is not a weakly prime, because it can be changed into another prime (52502313709) 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, 26251156604 + 26251156605.

It is an arithmetic number, because the mean of its divisors is an integer number (26251156605).

Almost surely, 2^52502313209 is an apocalyptic number.

It is an amenable number.

52502313209 is a deficient number, since it is larger than the sum of its proper divisors (1).

52502313209 is an equidigital number, since it uses as much as digits as its factorization.

52502313209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 52502313209 in words is "fifty-two billion, five hundred two million, three hundred thirteen thousand, two hundred nine".