1052804805281 has 2 divisors, whose sum is σ = 1052804805282. Its totient is φ = 1052804805280.

The previous prime is 1052804805211. The next prime is 1052804805301. The reversal of 1052804805281 is 1825084082501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923359559056 + 129445246225 = 960916^2 + 359785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052804805281 - 2¹⁰ = 1052804804257 is a prime.

It is a super-2 number, since 2×1052804805281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052804805211) 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, 526402402640 + 526402402641.

It is an arithmetic number, because the mean of its divisors is an integer number (526402402641).

Almost surely, 2^{1052804805281} is an apocalyptic number.

It is an amenable number.

1052804805281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052804805281 is an equidigital number, since it uses as much as digits as its factorization.

1052804805281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204800, while the sum is 44.

Multiplying 1052804805281 by its sum of digits (44), we get a palindrome (46323411432364).

Adding to 1052804805281 its reverse (1825084082501), we get a palindrome (2877888887782).

The spelling of 1052804805281 in words is "one trillion, fifty-two billion, eight hundred four million, eight hundred five thousand, two hundred eighty-one".