252839938243 has 2 divisors, whose sum is σ = 252839938244. Its totient is φ = 252839938242.

The previous prime is 252839938151. The next prime is 252839938259. The reversal of 252839938243 is 342839938252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252839938243 - 2²⁵ = 252806383811 is a prime.

It is not a weakly prime, because it can be changed into another prime (252839933243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126419969121 + 126419969122.

It is an arithmetic number, because the mean of its divisors is an integer number (126419969122).

Almost surely, 2^252839938243 is an apocalyptic number.

252839938243 is a deficient number, since it is larger than the sum of its proper divisors (1).

252839938243 is an equidigital number, since it uses as much as digits as its factorization.

252839938243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 58.

Subtracting 252839938243 from its reverse (342839938252), we obtain a palindrome (90000000009).

The spelling of 252839938243 in words is "two hundred fifty-two billion, eight hundred thirty-nine million, nine hundred thirty-eight thousand, two hundred forty-three".