297296491 has 2 divisors, whose sum is σ = 297296492. Its totient is φ = 297296490.

The previous prime is 297296471. The next prime is 297296497. The reversal of 297296491 is 194692792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 297296491 - 2¹⁷ = 297165419 is a prime.

It is not a weakly prime, because it can be changed into another prime (297296497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148648245 + 148648246.

It is an arithmetic number, because the mean of its divisors is an integer number (148648246).

Almost surely, 2^297296491 is an apocalyptic number.

297296491 is a deficient number, since it is larger than the sum of its proper divisors (1).

297296491 is an equidigital number, since it uses as much as digits as its factorization.

297296491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 297296491 is about 17242.2878702335. The cubic root of 297296491 is about 667.4159701953.

The spelling of 297296491 in words is "two hundred ninety-seven million, two hundred ninety-six thousand, four hundred ninety-one".