2866265 has 4 divisors (see below), whose sum is σ = 3439524. Its totient is φ = 2293008.

The previous prime is 2866261. The next prime is 2866267. The reversal of 2866265 is 5626682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5626682 = 2 ⋅2813341.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 1827904 = 1019^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866265 - 2² = 2866261 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 8 + 6² + 6⁷ + 2²¹ + 6⁷ + 5⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2866261) 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 in 3 ways as a sum of consecutive naturals, for example, 286622 + ... + 286631.

It is an arithmetic number, because the mean of its divisors is an integer number (859881).

2^2866265 is an apocalyptic number.

It is an amenable number.

2866265 is a deficient number, since it is larger than the sum of its proper divisors (573259).

2866265 is an equidigital number, since it uses as much as digits as its factorization.

2866265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573258.

The product of its digits is 34560, while the sum is 35.

The square root of 2866265 is about 1693.0047253330. The cubic root of 2866265 is about 142.0491960731.

The spelling of 2866265 in words is "two million, eight hundred sixty-six thousand, two hundred sixty-five".