2312665 has 8 divisors (see below), whose sum is σ = 2806920. Its totient is φ = 1828992.

The previous prime is 2312641. The next prime is 2312677. The reversal of 2312665 is 5662132.

2312665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41616 + 2271049 = 204^2 + 1507^2 .

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 2312665 - 2⁵ = 2312633 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2154 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (350865).

2^2312665 is an apocalyptic number.

It is an amenable number.

2312665 is a deficient number, since it is larger than the sum of its proper divisors (494255).

2312665 is an equidigital number, since it uses as much as digits as its factorization.

2312665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its digits is 2160, while the sum is 25.

The square root of 2312665 is about 1520.7448832727. The cubic root of 2312665 is about 132.2424568938.

Adding to 2312665 its reverse (5662132), we get a palindrome (7974797).

The spelling of 2312665 in words is "two million, three hundred twelve thousand, six hundred sixty-five".