2365565 has 8 divisors (see below), whose sum is σ = 2878008. Its totient is φ = 1866240.

The previous prime is 2365553. The next prime is 2365589. The reversal of 2365565 is 5655632.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 1530169 = 914^2 + 1237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2365565 - 2⁸ = 2365309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (359751).

2^2365565 is an apocalyptic number.

It is an amenable number.

2365565 is a deficient number, since it is larger than the sum of its proper divisors (512443).

2365565 is an equidigital number, since it uses as much as digits as its factorization.

2365565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559.

The product of its digits is 27000, while the sum is 32.

The square root of 2365565 is about 1538.0393362980. The cubic root of 2365565 is about 133.2431716842.

The spelling of 2365565 in words is "two million, three hundred sixty-five thousand, five hundred sixty-five".