2866001 has 2 divisors, whose sum is σ = 2866002. Its totient is φ = 2866000.

The previous prime is 2865977. The next prime is 2866033. The reversal of 2866001 is 1006682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 1113025 = 1324^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866001 - 2¹⁰ = 2864977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2866051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433000 + 1433001.

It is an arithmetic number, because the mean of its divisors is an integer number (1433001).

2^2866001 is an apocalyptic number.

It is an amenable number.

2866001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866001 is an equidigital number, since it uses as much as digits as its factorization.

2866001 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2866001 is about 1692.9267556513. The cubic root of 2866001 is about 142.0448347481.

The spelling of 2866001 in words is "two million, eight hundred sixty-six thousand, one".