2265311 has 4 divisors (see below), whose sum is σ = 2285472. Its totient is φ = 2245152.

The previous prime is 2265287. The next prime is 2265323. The reversal of 2265311 is 1135622.

2265311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1135622 = 2 ⋅567811.

It is a cyclic number.

It is not a de Polignac number, because 2265311 - 2¹⁴ = 2248927 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 (2265331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9911 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (571368).

2^2265311 is an apocalyptic number.

2265311 is a deficient number, since it is larger than the sum of its proper divisors (20161).

2265311 is a wasteful number, since it uses less digits than its factorization.

2265311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20160.

The product of its digits is 360, while the sum is 20.

The square root of 2265311 is about 1505.0950136121. The cubic root of 2265311 is about 131.3336289399. Note that the first 3 decimals are identical.

The spelling of 2265311 in words is "two million, two hundred sixty-five thousand, three hundred eleven".