2855065 has 8 divisors (see below), whose sum is σ = 3627720. Its totient is φ = 2149632.

The previous prime is 2855063. The next prime is 2855077. The reversal of 2855065 is 5605582.

It can be written as a sum of positive squares in 4 ways, for example, as 1490841 + 1364224 = 1221^2 + 1168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2855065 - 2¹ = 2855063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2855063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16710 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (453465).

2^2855065 is an apocalyptic number.

It is an amenable number.

2855065 is a deficient number, since it is larger than the sum of its proper divisors (772655).

2855065 is a wasteful number, since it uses less digits than its factorization.

2855065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33611.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2855065 is about 1689.6937592357. The cubic root of 2855065 is about 141.8639343320.

The spelling of 2855065 in words is "two million, eight hundred fifty-five thousand, sixty-five".