2530052805281 has 2 divisors, whose sum is σ = 2530052805282. Its totient is φ = 2530052805280.

The previous prime is 2530052805257. The next prime is 2530052805341. The reversal of 2530052805281 is 1825082500352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2277204739681 + 252848065600 = 1509041^2 + 502840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530052805281 is a prime.

It is a super-2 number, since 2×2530052805281² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2530052807281) 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, 1265026402640 + 1265026402641.

It is an arithmetic number, because the mean of its divisors is an integer number (1265026402641).

Almost surely, 2^{2530052805281} is an apocalyptic number.

It is an amenable number.

2530052805281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530052805281 is an equidigital number, since it uses as much as digits as its factorization.

2530052805281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 41.

It can be divided in two parts, 2530052 and 805281, that added together give a palindrome (3335333).

The spelling of 2530052805281 in words is "two trillion, five hundred thirty billion, fifty-two million, eight hundred five thousand, two hundred eighty-one".