2265783 has 24 divisors (see below), whose sum is σ = 3381840. Its totient is φ = 1347840.

The previous prime is 2265779. The next prime is 2265793. The reversal of 2265783 is 3875622.

2265783 = 77² + 78² + ... + 193².

2265783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2265783 - 2² = 2265779 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 6⁴ + 5⁵ + 7³ + 8⁵ + 3³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265793) 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 23 ways as a sum of consecutive naturals, for example, 20733 + ... + 20841.

It is an arithmetic number, because the mean of its divisors is an integer number (140910).

2^2265783 is an apocalyptic number.

2265783 is a deficient number, since it is larger than the sum of its proper divisors (1116057).

2265783 is a wasteful number, since it uses less digits than its factorization.

2265783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 166 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 2265783 is about 1505.2518061773. The cubic root of 2265783 is about 131.3427498609.

The spelling of 2265783 in words is "two million, two hundred sixty-five thousand, seven hundred eighty-three".