9671021 has 2 divisors, whose sum is σ = 9671022. Its totient is φ = 9671020.

The previous prime is 9670993. The next prime is 9671033. The reversal of 9671021 is 1201769.

9671021 is digitally balanced in base 2, 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., 7155625 + 2515396 = 2675^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 9671021 - 2¹⁰ = 9669997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9671071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4835510 + 4835511.

It is an arithmetic number, because the mean of its divisors is an integer number (4835511).

Almost surely, 2^9671021 is an apocalyptic number.

It is an amenable number.

9671021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9671021 is an equidigital number, since it uses as much as digits as its factorization.

9671021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 9671021 is about 3109.8265224929. The cubic root of 9671021 is about 213.0545313589.

It can be divided in two parts, 96 and 71021, that added together give a palindrome (71117).

The spelling of 9671021 in words is "nine million, six hundred seventy-one thousand, twenty-one".