2052140531281 has 2 divisors, whose sum is σ = 2052140531282. Its totient is φ = 2052140531280.

The previous prime is 2052140531269. The next prime is 2052140531431. The reversal of 2052140531281 is 1821350412502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974081200400 + 78059330881 = 1405020^2 + 279391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052140531281 - 2²⁵ = 2052106976849 is a prime.

It is a super-2 number, since 2×2052140531281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2052140531981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026070265640 + 1026070265641.

It is an arithmetic number, because the mean of its divisors is an integer number (1026070265641).

Almost surely, 2^{2052140531281} is an apocalyptic number.

It is an amenable number.

2052140531281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052140531281 is an equidigital number, since it uses as much as digits as its factorization.

2052140531281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 2052140531281 its reverse (1821350412502), we get a palindrome (3873490943783).

The spelling of 2052140531281 in words is "two trillion, fifty-two billion, one hundred forty million, five hundred thirty-one thousand, two hundred eighty-one".