297389117 has 2 divisors, whose sum is σ = 297389118. Its totient is φ = 297389116.

The previous prime is 297389111. The next prime is 297389129. The reversal of 297389117 is 711983792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274598041 + 22791076 = 16571^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 297389117 - 2¹⁰ = 297388093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297389111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148694558 + 148694559.

It is an arithmetic number, because the mean of its divisors is an integer number (148694559).

Almost surely, 2^297389117 is an apocalyptic number.

It is an amenable number.

297389117 is a deficient number, since it is larger than the sum of its proper divisors (1).

297389117 is an equidigital number, since it uses as much as digits as its factorization.

297389117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 47.

The square root of 297389117 is about 17244.9736735085. The cubic root of 297389117 is about 667.4852765997.

The spelling of 297389117 in words is "two hundred ninety-seven million, three hundred eighty-nine thousand, one hundred seventeen".