252778302043 has 2 divisors, whose sum is σ = 252778302044. Its totient is φ = 252778302042.

The previous prime is 252778302041. The next prime is 252778302061. The reversal of 252778302043 is 340203877252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252778302043 - 2¹ = 252778302041 is a prime.

Together with 252778302041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252778302041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126389151021 + 126389151022.

It is an arithmetic number, because the mean of its divisors is an integer number (126389151022).

Almost surely, 2^252778302043 is an apocalyptic number.

252778302043 is a deficient number, since it is larger than the sum of its proper divisors (1).

252778302043 is an equidigital number, since it uses as much as digits as its factorization.

252778302043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 252778302043 in words is "two hundred fifty-two billion, seven hundred seventy-eight million, three hundred two thousand, forty-three".