2321351 has 4 divisors (see below), whose sum is σ = 2324400. Its totient is φ = 2318304.

The previous prime is 2321339. The next prime is 2321353. The reversal of 2321351 is 1531232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2321351 - 2¹⁸ = 2059207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (581100).

2^2321351 is an apocalyptic number.

2321351 is a deficient number, since it is larger than the sum of its proper divisors (3049).

2321351 is a wasteful number, since it uses less digits than its factorization.

2321351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its digits is 180, while the sum is 17.

The square root of 2321351 is about 1523.5980441048. The cubic root of 2321351 is about 132.4078105608.

Adding to 2321351 its reverse (1531232), we get a palindrome (3852583).

The spelling of 2321351 in words is "two million, three hundred twenty-one thousand, three hundred fifty-one".