2321045 has 8 divisors (see below), whose sum is σ = 2906496. Its totient is φ = 1776016.

The previous prime is 2321041. The next prime is 2321057. The reversal of 2321045 is 5401232.

2321045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2321045 - 2² = 2321041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321041) by changing a digit.

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, 9977 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (363312).

2^2321045 is an apocalyptic number.

It is an amenable number.

2321045 is a deficient number, since it is larger than the sum of its proper divisors (585451).

2321045 is a wasteful number, since it uses less digits than its factorization.

2321045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2321045 is about 1523.4976206086. The cubic root of 2321045 is about 132.4019923152.

Adding to 2321045 its reverse (5401232), we get a palindrome (7722277).

The spelling of 2321045 in words is "two million, three hundred twenty-one thousand, forty-five".