8266001 has 2 divisors, whose sum is σ = 8266002. Its totient is φ = 8266000.

The previous prime is 8265989. The next prime is 8266003. The reversal of 8266001 is 1006628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 1380625 = 2624^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 8266001 - 2¹⁸ = 8003857 is a prime.

It is a Sophie Germain prime.

Together with 8266003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8266003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133000 + 4133001.

It is an arithmetic number, because the mean of its divisors is an integer number (4133001).

Almost surely, 2^8266001 is an apocalyptic number.

It is an amenable number.

8266001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8266001 is an equidigital number, since it uses as much as digits as its factorization.

8266001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8266001 is about 2875.0653905607. The cubic root of 8266001 is about 202.1925507706.

The spelling of 8266001 in words is "eight million, two hundred sixty-six thousand, one".