7485082527521 has 2 divisors, whose sum is σ = 7485082527522. Its totient is φ = 7485082527520.

The previous prime is 7485082527467. The next prime is 7485082527529. The reversal of 7485082527521 is 1257252805847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7169884496896 + 315198030625 = 2677664^2 + 561425^2 .

It is a cyclic number.

It is not a de Polignac number, because 7485082527521 - 2³⁰ = 7484008785697 is a prime.

It is not a weakly prime, because it can be changed into another prime (7485082527529) 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, 3742541263760 + 3742541263761.

It is an arithmetic number, because the mean of its divisors is an integer number (3742541263761).

Almost surely, 2^{7485082527521} is an apocalyptic number.

It is an amenable number.

7485082527521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7485082527521 is an equidigital number, since it uses as much as digits as its factorization.

7485082527521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544000, while the sum is 56.

The spelling of 7485082527521 in words is "seven trillion, four hundred eighty-five billion, eighty-two million, five hundred twenty-seven thousand, five hundred twenty-one".