531325103214481 has 2 divisors, whose sum is σ = 531325103214482. Its totient is φ = 531325103214480.

The previous prime is 531325103214413. The next prime is 531325103214557. The reversal of 531325103214481 is 184412301523135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402324005856256 + 129001097358225 = 20058016^2 + 11357865^2 .

It is a cyclic number.

It is not a de Polignac number, because 531325103214481 - 2³⁹ = 530775347400593 is a prime.

It is a super-2 number, since 2×531325103214481² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (531325103214781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265662551607240 + 265662551607241.

It is an arithmetic number, because the mean of its divisors is an integer number (265662551607241).

Almost surely, 2^{531325103214481} is an apocalyptic number.

It is an amenable number.

531325103214481 is a deficient number, since it is larger than the sum of its proper divisors (1).

531325103214481 is an equidigital number, since it uses as much as digits as its factorization.

531325103214481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 531325103214481 in words is "five hundred thirty-one trillion, three hundred twenty-five billion, one hundred three million, two hundred fourteen thousand, four hundred eighty-one".