2431243 has 4 divisors (see below), whose sum is σ = 2435728. Its totient is φ = 2426760.

The previous prime is 2431241. The next prime is 2431279. The reversal of 2431243 is 3421342.

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 2431243 - 2¹ = 2431241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431243.

It is not an unprimeable number, because it can be changed into a prime (2431241) 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, 1296 + ... + 2557.

It is an arithmetic number, because the mean of its divisors is an integer number (608932).

2^2431243 is an apocalyptic number.

2431243 is a deficient number, since it is larger than the sum of its proper divisors (4485).

2431243 is an equidigital number, since it uses as much as digits as its factorization.

2431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484.

The product of its digits is 576, while the sum is 19.

The square root of 2431243 is about 1559.2443682759. The cubic root of 2431243 is about 134.4650618888.

Adding to 2431243 its reverse (3421342), we get a palindrome (5852585).

Subtracting 2431243 from its reverse (3421342), we obtain a palindrome (990099).

The spelling of 2431243 in words is "two million, four hundred thirty-one thousand, two hundred forty-three".