2256759 has 6 divisors (see below), whose sum is σ = 3259776. Its totient is φ = 1504500.

The previous prime is 2256743. The next prime is 2256781. The reversal of 2256759 is 9576522.

It is not a de Polignac number, because 2256759 - 2⁴ = 2256743 is a prime.

It is a super-2 number, since 2×2256759² = 10185922368162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125367 + ... + 125384.

It is an arithmetic number, because the mean of its divisors is an integer number (543296).

2^2256759 is an apocalyptic number.

2256759 is a deficient number, since it is larger than the sum of its proper divisors (1003017).

2256759 is a wasteful number, since it uses less digits than its factorization.

2256759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250757 (or 250754 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 2256759 is about 1502.2513105336. The cubic root of 2256759 is about 131.1681503283.

The spelling of 2256759 in words is "two million, two hundred fifty-six thousand, seven hundred fifty-nine".