2056255 has 4 divisors (see below), whose sum is σ = 2467512. Its totient is φ = 1645000.

The previous prime is 2056253. The next prime is 2056277. The reversal of 2056255 is 5526502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5526502 = 2 ⋅2763251.

It is not a de Polignac number, because 2056255 - 2¹ = 2056253 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 (2056253) 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, 205621 + ... + 205630.

It is an arithmetic number, because the mean of its divisors is an integer number (616878).

2^2056255 is an apocalyptic number.

2056255 is a deficient number, since it is larger than the sum of its proper divisors (411257).

2056255 is an equidigital number, since it uses as much as digits as its factorization.

2056255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411256.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2056255 is about 1433.9647833890. The cubic root of 2056255 is about 127.1624803637.

The spelling of 2056255 in words is "two million, fifty-six thousand, two hundred fifty-five".