8327021 has 2 divisors, whose sum is σ = 8327022. Its totient is φ = 8327020.

The previous prime is 8326987. The next prime is 8327047. The reversal of 8327021 is 1207238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5470921 + 2856100 = 2339^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 8327021 - 2¹⁰ = 8325997 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 (8327051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4163510 + 4163511.

It is an arithmetic number, because the mean of its divisors is an integer number (4163511).

Almost surely, 2^8327021 is an apocalyptic number.

It is an amenable number.

8327021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8327021 is an equidigital number, since it uses as much as digits as its factorization.

8327021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 8327021 is about 2885.6578106213. The cubic root of 8327021 is about 202.6888630732.

The spelling of 8327021 in words is "eight million, three hundred twenty-seven thousand, twenty-one".