2765255 has 4 divisors (see below), whose sum is σ = 3318312. Its totient is φ = 2212200.

The previous prime is 2765251. The next prime is 2765281. The reversal of 2765255 is 5525672.

2765255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2765255 - 2² = 2765251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 276521 + ... + 276530.

It is an arithmetic number, because the mean of its divisors is an integer number (829578).

2^2765255 is an apocalyptic number.

2765255 is a deficient number, since it is larger than the sum of its proper divisors (553057).

2765255 is an equidigital number, since it uses as much as digits as its factorization.

2765255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553056.

The product of its digits is 21000, while the sum is 32.

The square root of 2765255 is about 1662.9055896232. The cubic root of 2765255 is about 140.3605502484.

The spelling of 2765255 in words is "two million, seven hundred sixty-five thousand, two hundred fifty-five".