9080821 has 2 divisors, whose sum is σ = 9080822. Its totient is φ = 9080820.

The previous prime is 9080801. The next prime is 9080831. The reversal of 9080821 is 1280809.

9080821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5428900 + 3651921 = 2330^2 + 1911^2 .

It is a cyclic number.

It is not a de Polignac number, because 9080821 - 2⁷ = 9080693 is a prime.

It is a super-2 number, since 2×9080821² = 164922620068082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9080821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9080801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540410 + 4540411.

It is an arithmetic number, because the mean of its divisors is an integer number (4540411).

Almost surely, 2^9080821 is an apocalyptic number.

It is an amenable number.

9080821 is a deficient number, since it is larger than the sum of its proper divisors (1).

9080821 is an equidigital number, since it uses as much as digits as its factorization.

9080821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 9080821 is about 3013.4400607943. The cubic root of 9080821 is about 208.6291738663.

The spelling of 9080821 in words is "nine million, eighty thousand, eight hundred twenty-one".