297641 has 2 divisors, whose sum is σ = 297642. Its totient is φ = 297640.

The previous prime is 297629. The next prime is 297659. The reversal of 297641 is 146792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 137641 = 400^2 + 371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-297641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148820 + 148821.

It is an arithmetic number, because the mean of its divisors is an integer number (148821).

2²⁹⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

297641 is a deficient number, since it is larger than the sum of its proper divisors (1).

297641 is an equidigital number, since it uses as much as digits as its factorization.

297641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 297641 is about 545.5648449085. The cubic root of 297641 is about 66.7673672587.

The spelling of 297641 in words is "two hundred ninety-seven thousand, six hundred forty-one".