2565955 has 16 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 1744992.

The previous prime is 2565947. The next prime is 2565989. The reversal of 2565955 is 5595652.

2565955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2565955 - 2³ = 2565947 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5 + 6 + 5⁵ + 9⁶ + 5⁷ + 5⁹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5626 + ... + 6064.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^2565955 is an apocalyptic number.

2565955 is a deficient number, since it is larger than the sum of its proper divisors (982205).

2565955 is a wasteful number, since it uses less digits than its factorization.

2565955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its digits is 67500, while the sum is 37.

The square root of 2565955 is about 1601.8598565418. The cubic root of 2565955 is about 136.9040655385.

The spelling of 2565955 in words is "two million, five hundred sixty-five thousand, nine hundred fifty-five".