5021289521 has 2 divisors, whose sum is σ = 5021289522. Its totient is φ = 5021289520.

The previous prime is 5021289443. The next prime is 5021289527. The reversal of 5021289521 is 1259821205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4444088896 + 577200625 = 66664^2 + 24025^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021289521 - 2³⁰ = 3947547697 is a prime.

It is not a weakly prime, because it can be changed into another prime (5021289527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510644760 + 2510644761.

It is an arithmetic number, because the mean of its divisors is an integer number (2510644761).

Almost surely, 2^5021289521 is an apocalyptic number.

It is an amenable number.

5021289521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021289521 is an equidigital number, since it uses as much as digits as its factorization.

5021289521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 5021289521 is about 70861.0578597300. The cubic root of 5021289521 is about 1712.3994814532.

The spelling of 5021289521 in words is "five billion, twenty-one million, two hundred eighty-nine thousand, five hundred twenty-one".