297397 has 2 divisors, whose sum is σ = 297398. Its totient is φ = 297396.

The previous prime is 297391. The next prime is 297403. The reversal of 297397 is 793792.

It is a balanced prime because it is at equal distance from previous prime (297391) and next prime (297403).

It can be written as a sum of positive squares in only one way, i.e., 244036 + 53361 = 494^2 + 231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-297397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148698 + 148699.

It is an arithmetic number, because the mean of its divisors is an integer number (148699).

2²⁹⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

297397 is a deficient number, since it is larger than the sum of its proper divisors (1).

297397 is an equidigital number, since it uses as much as digits as its factorization.

297397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 37.

The square root of 297397 is about 545.3411776127. The cubic root of 297397 is about 66.7491174305.

The spelling of 297397 in words is "two hundred ninety-seven thousand, three hundred ninety-seven".