2268751 has 4 divisors (see below), whose sum is σ = 2272104. Its totient is φ = 2265400.

The previous prime is 2268719. The next prime is 2268779. The reversal of 2268751 is 1578622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1578622 = 2 ⋅789311.

It is a cyclic number.

It is not a de Polignac number, because 2268751 - 2⁵ = 2268719 is a prime.

It is a super-3 number, since 3×2268751³ = 35033357116075106253, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁵ + 6⁷ + 8 + 7⁴ + 5⁹ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268451) 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, 265 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (568026).

2^2268751 is an apocalyptic number.

2268751 is a deficient number, since it is larger than the sum of its proper divisors (3353).

2268751 is an equidigital number, since it uses as much as digits as its factorization.

2268751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352.

The product of its digits is 6720, while the sum is 31.

The square root of 2268751 is about 1506.2373650922. The cubic root of 2268751 is about 131.4000744432.

The spelling of 2268751 in words is "two million, two hundred sixty-eight thousand, seven hundred fifty-one".