7297397 has 2 divisors, whose sum is σ = 7297398. Its totient is φ = 7297396.

The previous prime is 7297379. The next prime is 7297421. The reversal of 7297397 is 7937927.

Together with previous prime (7297379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5635876 + 1661521 = 2374^2 + 1289^2 .

It is an emirp because it is prime and its reverse (7937927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7297397 - 2⁶ = 7297333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7297897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3648698 + 3648699.

It is an arithmetic number, because the mean of its divisors is an integer number (3648699).

Almost surely, 2^7297397 is an apocalyptic number.

It is an amenable number.

7297397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7297397 is an equidigital number, since it uses as much as digits as its factorization.

7297397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 44.

The square root of 7297397 is about 2701.3694675109. The cubic root of 7297397 is about 193.9646816352.

The spelling of 7297397 in words is "seven million, two hundred ninety-seven thousand, three hundred ninety-seven".