7243331 has 4 divisors (see below), whose sum is σ = 7255872. Its totient is φ = 7230792.

The previous prime is 7243297. The next prime is 7243339. The reversal of 7243331 is 1333427.

It is a happy number.

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 7243331 - 2⁶ = 7243267 is a prime.

It is a super-2 number, since 2×7243331² = 104931687951122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7243297 and 7243306.

It is not an unprimeable number, because it can be changed into a prime (7243339) 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, 5360 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (1813968).

Almost surely, 2^7243331 is an apocalyptic number.

7243331 is a deficient number, since it is larger than the sum of its proper divisors (12541).

7243331 is a wasteful number, since it uses less digits than its factorization.

7243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540.

The product of its digits is 1512, while the sum is 23.

The square root of 7243331 is about 2691.3437164361. The cubic root of 7243331 is about 193.4844692826.

Adding to 7243331 its reverse (1333427), we get a palindrome (8576758).

The spelling of 7243331 in words is "seven million, two hundred forty-three thousand, three hundred thirty-one".