2655775 has 12 divisors (see below), whose sum is σ = 3374784. Its totient is φ = 2072000.

The previous prime is 2655773. The next prime is 2655781. The reversal of 2655775 is 5775562.

It is not a de Polignac number, because 2655775 - 2¹ = 2655773 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 (2655773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271 + ... + 2320.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

2^2655775 is an apocalyptic number.

2655775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2655775 is a deficient number, since it is larger than the sum of its proper divisors (719009).

2655775 is a wasteful number, since it uses less digits than its factorization.

2655775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2637 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 2655775 is about 1629.6548714375. The cubic root of 2655775 is about 138.4832007497.

It can be divided in two parts, 265 and 5775, that multiplied together give a triangular number (1530375 = T₁₇₄₉).

The spelling of 2655775 in words is "two million, six hundred fifty-five thousand, seven hundred seventy-five".