5005305821 has 2 divisors, whose sum is σ = 5005305822. Its totient is φ = 5005305820.

The previous prime is 5005305817. The next prime is 5005305829. The reversal of 5005305821 is 1285035005.

5005305821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4249605721 + 755700100 = 65189^2 + 27490^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005305821 - 2² = 5005305817 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5005305829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502652910 + 2502652911.

It is an arithmetic number, because the mean of its divisors is an integer number (2502652911).

Almost surely, 2^5005305821 is an apocalyptic number.

It is an amenable number.

5005305821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005305821 is an equidigital number, since it uses as much as digits as its factorization.

5005305821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 5005305821 is about 70748.1859908789. The cubic root of 5005305821 is about 1710.5805879384.

The spelling of 5005305821 in words is "five billion, five million, three hundred five thousand, eight hundred twenty-one".