7267217 has 2 divisors, whose sum is σ = 7267218. Its totient is φ = 7267216.

The previous prime is 7267213. The next prime is 7267219. The reversal of 7267217 is 7127627.

It is a happy number.

7267217 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 can be written as a sum of positive squares in only one way, i.e., 5958481 + 1308736 = 2441^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 7267217 - 2² = 7267213 is a prime.

Together with 7267219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7267213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633608 + 3633609.

It is an arithmetic number, because the mean of its divisors is an integer number (3633609).

Almost surely, 2^7267217 is an apocalyptic number.

It is an amenable number.

7267217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7267217 is an equidigital number, since it uses as much as digits as its factorization.

7267217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232, while the sum is 32.

The square root of 7267217 is about 2695.7776243600. Note that the first 3 decimals coincide. The cubic root of 7267217 is about 193.6969175428.

The spelling of 7267217 in words is "seven million, two hundred sixty-seven thousand, two hundred seventeen".