8675021 has 2 divisors, whose sum is σ = 8675022. Its totient is φ = 8675020.

The previous prime is 8675011. The next prime is 8675027. The reversal of 8675021 is 1205768.

8675021 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., 5470921 + 3204100 = 2339^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 8675021 - 2¹⁰ = 8673997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8675027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4337510 + 4337511.

It is an arithmetic number, because the mean of its divisors is an integer number (4337511).

Almost surely, 2^8675021 is an apocalyptic number.

It is an amenable number.

8675021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8675021 is an equidigital number, since it uses as much as digits as its factorization.

8675021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 8675021 is about 2945.3388599616. The cubic root of 8675021 is about 205.4739855341.

The spelling of 8675021 in words is "eight million, six hundred seventy-five thousand, twenty-one".