2365645 has 8 divisors (see below), whose sum is σ = 2905056. Its totient is φ = 1848336.

The previous prime is 2365639. The next prime is 2365667. The reversal of 2365645 is 5465632.

2365645 is nontrivially palindromic in base 9.

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

It is a cyclic number.

It is not a de Polignac number, because 2365645 - 2³ = 2365637 is a prime.

It is a super-3 number, since 3×2365645³ = 39716408902022133375, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 3³ + 6² + 5⁵ + 6² + 4⁹ + 5⁵ .

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, 5287 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (363132).

2^2365645 is an apocalyptic number.

It is an amenable number.

2365645 is a deficient number, since it is larger than the sum of its proper divisors (539411).

2365645 is a wasteful number, since it uses less digits than its factorization.

2365645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051.

The product of its digits is 21600, while the sum is 31.

The square root of 2365645 is about 1538.0653432153. The cubic root of 2365645 is about 133.2446736980.

The spelling of 2365645 in words is "two million, three hundred sixty-five thousand, six hundred forty-five".