2265439 has 4 divisors (see below), whose sum is σ = 2471400. Its totient is φ = 2059480.

The previous prime is 2265433. The next prime is 2265443. The reversal of 2265439 is 9345622.

2265439 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.

It is a cyclic number.

It is not a de Polignac number, because 2265439 - 2¹³ = 2257247 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 6⁶ + 5⁷ + 4⁶ + 3⁸ + 9² .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2265439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265433) 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, 102964 + ... + 102985.

It is an arithmetic number, because the mean of its divisors is an integer number (617850).

2^2265439 is an apocalyptic number.

2265439 is a deficient number, since it is larger than the sum of its proper divisors (205961).

2265439 is a wasteful number, since it uses less digits than its factorization.

2265439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205960.

The product of its digits is 12960, while the sum is 31.

The square root of 2265439 is about 1505.1375352439. The cubic root of 2265439 is about 131.3361025352.

It can be divided in two parts, 2265 and 439, that added together give a square (2704 = 52²).

The spelling of 2265439 in words is "two million, two hundred sixty-five thousand, four hundred thirty-nine".