2405253525281 has 2 divisors, whose sum is σ = 2405253525282. Its totient is φ = 2405253525280.

The previous prime is 2405253525217. The next prime is 2405253525349. The reversal of 2405253525281 is 1825253525042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1783653736225 + 621599789056 = 1335535^2 + 788416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405253525281 - 2⁶ = 2405253525217 is a prime.

It is a super-2 number, since 2×2405253525281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2405253525481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202626762640 + 1202626762641.

It is an arithmetic number, because the mean of its divisors is an integer number (1202626762641).

Almost surely, 2^{2405253525281} is an apocalyptic number.

It is an amenable number.

2405253525281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405253525281 is an equidigital number, since it uses as much as digits as its factorization.

2405253525281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 2405253525281 in words is "two trillion, four hundred five billion, two hundred fifty-three million, five hundred twenty-five thousand, two hundred eighty-one".