7243 has 2 divisors, whose sum is σ = 7244. Its totient is φ = 7242.

The previous prime is 7237. The next prime is 7247. The reversal of 7243 is 3427.

7243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7243 - 2⁵ = 7211 is a prime.

It is a super-2 number, since 2×7243² = 104922098, which contains 22 as substring.

It is a plaindrome in base 15.

It is a nialpdrome in base 6.

It is not a weakly prime, because it can be changed into another prime (7247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621 + 3622.

It is an arithmetic number, because the mean of its divisors is an integer number (3622).

2⁷²⁴³ is an apocalyptic number.

7243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 12 representation: 7243 = (4237)₁₂.

7243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 16.

The square root of 7243 is about 85.1058164875. The cubic root of 7243 is about 19.3481522004.

Subtracting from 7243 its sum of digits (16), we obtain a palindrome (7227).

It can be divided in two parts, 724 and 3, that added together give a palindrome (727).

The spelling of 7243 in words is "seven thousand, two hundred forty-three", and thus it is an iban number.