2256011 has 4 divisors (see below), whose sum is σ = 2259312. Its totient is φ = 2252712.

The previous prime is 2255999. The next prime is 2256013. The reversal of 2256011 is 1106522.

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

It is a cyclic number.

It is not a de Polignac number, because 2256011 - 2⁶ = 2255947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (564828).

2^2256011 is an apocalyptic number.

2256011 is a deficient number, since it is larger than the sum of its proper divisors (3301).

2256011 is an equidigital number, since it uses as much as digits as its factorization.

2256011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2256011 is about 1502.0023302246. The cubic root of 2256011 is about 131.1536568862.

It can be divided in two parts, 22560 and 11, that multiplied together give a triangular number (248160 = T₇₀₄).

The spelling of 2256011 in words is "two million, two hundred fifty-six thousand, eleven".