2865617 has 2 divisors, whose sum is σ = 2865618. Its totient is φ = 2865616.

The previous prime is 2865607. The next prime is 2865623. The reversal of 2865617 is 7165682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 96721 = 1664^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 2865617 - 2⁴ = 2865601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2865607) 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, 1432808 + 1432809.

It is an arithmetic number, because the mean of its divisors is an integer number (1432809).

2^2865617 is an apocalyptic number.

It is an amenable number.

2865617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865617 is an equidigital number, since it uses as much as digits as its factorization.

2865617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 2865617 is about 1692.8133387943. The cubic root of 2865617 is about 142.0384905246.

The spelling of 2865617 in words is "two million, eight hundred sixty-five thousand, six hundred seventeen".