4031243 has 4 divisors (see below), whose sum is σ = 4129608. Its totient is φ = 3932880.

The previous prime is 4031239. The next prime is 4031267. The reversal of 4031243 is 3421304.

4031243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4031243 - 2² = 4031239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4031273) 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 3 ways as a sum of consecutive naturals, for example, 49121 + ... + 49202.

It is an arithmetic number, because the mean of its divisors is an integer number (1032402).

Almost surely, 2^4031243 is an apocalyptic number.

4031243 is a deficient number, since it is larger than the sum of its proper divisors (98365).

4031243 is an equidigital number, since it uses as much as digits as its factorization.

4031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98364.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4031243 is about 2007.7955573215. The cubic root of 4031243 is about 159.1523268911.

Adding to 4031243 its reverse (3421304), we get a palindrome (7452547).

The spelling of 4031243 in words is "four million, thirty-one thousand, two hundred forty-three".