7242241 has 2 divisors, whose sum is σ = 7242242. Its totient is φ = 7242240.

The previous prime is 7242233. The next prime is 7242247. The reversal of 7242241 is 1422427.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6395841 + 846400 = 2529^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242241 - 2³ = 7242233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7242247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621120 + 3621121.

It is an arithmetic number, because the mean of its divisors is an integer number (3621121).

Almost surely, 2^7242241 is an apocalyptic number.

It is an amenable number.

7242241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242241 is an equidigital number, since it uses as much as digits as its factorization.

7242241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 22.

The square root of 7242241 is about 2691.1412077407. The cubic root of 7242241 is about 193.4747634050.

Adding to 7242241 its reverse (1422427), we get a palindrome (8664668).

The spelling of 7242241 in words is "seven million, two hundred forty-two thousand, two hundred forty-one".