2465665 has 4 divisors (see below), whose sum is σ = 2958804. Its totient is φ = 1972528.

The previous prime is 2465657. The next prime is 2465707. The reversal of 2465665 is 5665642.

2465665 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 + 725904 = 1319^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2465665 - 2³ = 2465657 is a prime.

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 2465665.

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, 246562 + ... + 246571.

It is an arithmetic number, because the mean of its divisors is an integer number (739701).

2^2465665 is an apocalyptic number.

It is an amenable number.

2465665 is a deficient number, since it is larger than the sum of its proper divisors (493139).

2465665 is an equidigital number, since it uses as much as digits as its factorization.

2465665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493138.

The product of its digits is 43200, while the sum is 34.

The square root of 2465665 is about 1570.2436116730. The cubic root of 2465665 is about 135.0966842838.

The spelling of 2465665 in words is "two million, four hundred sixty-five thousand, six hundred sixty-five".