2321249 has 16 divisors (see below), whose sum is σ = 2887680. Its totient is φ = 1820880.

The previous prime is 2321243. The next prime is 2321273. The reversal of 2321249 is 9421232.

2321249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2321249 - 2¹² = 2317153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2321243) 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 15 ways as a sum of consecutive naturals, for example, 3842 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (180480).

2^2321249 is an apocalyptic number.

It is an amenable number.

2321249 is a deficient number, since it is larger than the sum of its proper divisors (566431).

2321249 is a wasteful number, since it uses less digits than its factorization.

2321249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 864, while the sum is 23.

The square root of 2321249 is about 1523.5645703415. The cubic root of 2321249 is about 132.4058712024.

The spelling of 2321249 in words is "two million, three hundred twenty-one thousand, two hundred forty-nine".