2365651 has 4 divisors (see below), whose sum is σ = 2416032. Its totient is φ = 2315272.

The previous prime is 2365639. The next prime is 2365667. The reversal of 2365651 is 1565632.

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 2365651 - 2⁷ = 2365523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2365621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25120 + ... + 25213.

It is an arithmetic number, because the mean of its divisors is an integer number (604008).

2^2365651 is an apocalyptic number.

2365651 is a deficient number, since it is larger than the sum of its proper divisors (50381).

2365651 is an equidigital number, since it uses as much as digits as its factorization.

2365651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50380.

The product of its digits is 5400, while the sum is 28.

The square root of 2365651 is about 1538.0672937164. The cubic root of 2365651 is about 133.2447863476.

The spelling of 2365651 in words is "two million, three hundred sixty-five thousand, six hundred fifty-one".