5305005521 has 2 divisors, whose sum is σ = 5305005522. Its totient is φ = 5305005520.

The previous prime is 5305005491. The next prime is 5305005581. The reversal of 5305005521 is 1255005035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4457031121 + 847974400 = 66761^2 + 29120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5305005521 is a prime.

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 (5305005581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652502760 + 2652502761.

It is an arithmetic number, because the mean of its divisors is an integer number (2652502761).

Almost surely, 2^5305005521 is an apocalyptic number.

It is an amenable number.

5305005521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5305005521 is an equidigital number, since it uses as much as digits as its factorization.

5305005521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 5305005521 is about 72835.4688390210. The cubic root of 5305005521 is about 1744.0621086207.

The spelling of 5305005521 in words is "five billion, three hundred five million, five thousand, five hundred twenty-one".