297971 has 2 divisors, whose sum is σ = 297972. Its totient is φ = 297970.

The previous prime is 297967. The next prime is 297989. The reversal of 297971 is 179792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 297971 - 2² = 297967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148985 + 148986.

It is an arithmetic number, because the mean of its divisors is an integer number (148986).

2²⁹⁷⁹⁷¹ is an apocalyptic number.

297971 is a deficient number, since it is larger than the sum of its proper divisors (1).

297971 is an equidigital number, since it uses as much as digits as its factorization.

297971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 35.

The square root of 297971 is about 545.8671999672. The cubic root of 297971 is about 66.7920335439.

It can be divided in two parts, 29 and 7971, that added together give a cube (8000 = 20³).

The spelling of 297971 in words is "two hundred ninety-seven thousand, nine hundred seventy-one".