1005254143427 has 2 divisors, whose sum is σ = 1005254143428. Its totient is φ = 1005254143426.

The previous prime is 1005254143417. The next prime is 1005254143469. The reversal of 1005254143427 is 7243414525001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005254143427 - 2²⁶ = 1005187034563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005254143417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502627071713 + 502627071714.

It is an arithmetic number, because the mean of its divisors is an integer number (502627071714).

Almost surely, 2^{1005254143427} is an apocalyptic number.

1005254143427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005254143427 is an equidigital number, since it uses as much as digits as its factorization.

1005254143427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 1005254143427 its reverse (7243414525001), we get a palindrome (8248668668428).

The spelling of 1005254143427 in words is "one trillion, five billion, two hundred fifty-four million, one hundred forty-three thousand, four hundred twenty-seven".