252909278539 has 2 divisors, whose sum is σ = 252909278540. Its totient is φ = 252909278538.

The previous prime is 252909278537. The next prime is 252909278551. The reversal of 252909278539 is 935872909252.

252909278539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252909278539 - 2¹ = 252909278537 is a prime.

It is a super-2 number, since 2×252909278539² (a number of 24 digits) contains 22 as substring.

Together with 252909278537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252909278537) 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, 126454639269 + 126454639270.

It is an arithmetic number, because the mean of its divisors is an integer number (126454639270).

Almost surely, 2^252909278539 is an apocalyptic number.

252909278539 is a deficient number, since it is larger than the sum of its proper divisors (1).

252909278539 is an equidigital number, since it uses as much as digits as its factorization.

252909278539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 252909278539 in words is "two hundred fifty-two billion, nine hundred nine million, two hundred seventy-eight thousand, five hundred thirty-nine".