252845424548243 has 2 divisors, whose sum is σ = 252845424548244. Its totient is φ = 252845424548242.

The previous prime is 252845424548219. The next prime is 252845424548263. The reversal of 252845424548243 is 342845424548252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252845424548243 - 2³² = 252841129580947 is a prime.

It is not a weakly prime, because it can be changed into another prime (252845424548263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126422712274121 + 126422712274122.

It is an arithmetic number, because the mean of its divisors is an integer number (126422712274122).

Almost surely, 2^{252845424548243} is an apocalyptic number.

252845424548243 is a deficient number, since it is larger than the sum of its proper divisors (1).

252845424548243 is an equidigital number, since it uses as much as digits as its factorization.

252845424548243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393216000, while the sum is 62.

Subtracting 252845424548243 from its reverse (342845424548252), we obtain a palindrome (90000000000009).

The spelling of 252845424548243 in words is "two hundred fifty-two trillion, eight hundred forty-five billion, four hundred twenty-four million, five hundred forty-eight thousand, two hundred forty-three".