2865001 has 2 divisors, whose sum is σ = 2865002. Its totient is φ = 2865000.

The previous prime is 2864977. The next prime is 2865007. The reversal of 2865001 is 1005682.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 837225 = 1424^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2865001 - 2⁵ = 2864969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2865007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432500 + 1432501.

It is an arithmetic number, because the mean of its divisors is an integer number (1432501).

2^2865001 is an apocalyptic number.

It is an amenable number.

2865001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865001 is an equidigital number, since it uses as much as digits as its factorization.

2865001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2865001 is about 1692.6313833791. The cubic root of 2865001 is about 142.0283121488.

The spelling of 2865001 in words is "two million, eight hundred sixty-five thousand, one".