52805250439 has 2 divisors, whose sum is σ = 52805250440. Its totient is φ = 52805250438.

The previous prime is 52805250437. The next prime is 52805250467. The reversal of 52805250439 is 93405250825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52805250439 - 2¹ = 52805250437 is a prime.

Together with 52805250437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52805250395 and 52805250404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52805250431) 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, 26402625219 + 26402625220.

It is an arithmetic number, because the mean of its divisors is an integer number (26402625220).

Almost surely, 2^52805250439 is an apocalyptic number.

52805250439 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805250439 is an equidigital number, since it uses as much as digits as its factorization.

52805250439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 52805250439 in words is "fifty-two billion, eight hundred five million, two hundred fifty thousand, four hundred thirty-nine".