52530513239 has 2 divisors, whose sum is σ = 52530513240. Its totient is φ = 52530513238.

The previous prime is 52530513229. The next prime is 52530513253. The reversal of 52530513239 is 93231503525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52530513239 - 2⁴ = 52530513223 is a prime.

It is a super-2 number, since 2×52530513239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52530513209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26265256619 + 26265256620.

It is an arithmetic number, because the mean of its divisors is an integer number (26265256620).

Almost surely, 2^52530513239 is an apocalyptic number.

52530513239 is a deficient number, since it is larger than the sum of its proper divisors (1).

52530513239 is an equidigital number, since it uses as much as digits as its factorization.

52530513239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 52530513239 in words is "fifty-two billion, five hundred thirty million, five hundred thirteen thousand, two hundred thirty-nine".