2305265 has 4 divisors (see below), whose sum is σ = 2766324. Its totient is φ = 1844208.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305265 is 5625032.

It is a happy number.

2305265 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 can be written as a sum of positive squares in 2 ways, for example, as 1739761 + 565504 = 1319^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2305265 - 2¹⁸ = 2043121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2305265.

It is a congruent number.

It is an unprimeable number.

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, 230522 + ... + 230531.

It is an arithmetic number, because the mean of its divisors is an integer number (691581).

2^2305265 is an apocalyptic number.

It is an amenable number.

2305265 is a deficient number, since it is larger than the sum of its proper divisors (461059).

2305265 is an equidigital number, since it uses as much as digits as its factorization.

2305265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461058.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2305265 is about 1518.3099156628. The cubic root of 2305265 is about 132.1012576280.

The spelling of 2305265 in words is "two million, three hundred five thousand, two hundred sixty-five".