297242417 has 2 divisors, whose sum is σ = 297242418. Its totient is φ = 297242416.

The previous prime is 297242383. The next prime is 297242471. The reversal of 297242417 is 714242792.

Together with next prime (297242471) 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., 254849296 + 42393121 = 15964^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 297242417 - 2²⁰ = 296193841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297242117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148621208 + 148621209.

It is an arithmetic number, because the mean of its divisors is an integer number (148621209).

Almost surely, 2^297242417 is an apocalyptic number.

It is an amenable number.

297242417 is a deficient number, since it is larger than the sum of its proper divisors (1).

297242417 is an equidigital number, since it uses as much as digits as its factorization.

297242417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 297242417 is about 17240.7197355563. The cubic root of 297242417 is about 667.3755032534.

The spelling of 297242417 in words is "two hundred ninety-seven million, two hundred forty-two thousand, four hundred seventeen".