252543243343 has 2 divisors, whose sum is σ = 252543243344. Its totient is φ = 252543243342.

The previous prime is 252543243263. The next prime is 252543243397. The reversal of 252543243343 is 343342345252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252543243343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252543243296 and 252543243305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252543243643) 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, 126271621671 + 126271621672.

It is an arithmetic number, because the mean of its divisors is an integer number (126271621672).

Almost surely, 2^252543243343 is an apocalyptic number.

252543243343 is a deficient number, since it is larger than the sum of its proper divisors (1).

252543243343 is an equidigital number, since it uses as much as digits as its factorization.

252543243343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 40.

Adding to 252543243343 its reverse (343342345252), we get a palindrome (595885588595).

The spelling of 252543243343 in words is "two hundred fifty-two billion, five hundred forty-three million, two hundred forty-three thousand, three hundred forty-three".