997267 has 2 divisors, whose sum is σ = 997268. Its totient is φ = 997266.

The previous prime is 997259. The next prime is 997273. The reversal of 997267 is 762799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997267 - 2³ = 997259 is a prime.

It is not a weakly prime, because it can be changed into another prime (997207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498633 + 498634.

It is an arithmetic number, because the mean of its divisors is an integer number (498634).

2⁹⁹⁷²⁶⁷ is an apocalyptic number.

997267 is a deficient number, since it is larger than the sum of its proper divisors (1).

997267 is an equidigital number, since it uses as much as digits as its factorization.

997267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 997267 is about 998.6325650608. The cubic root of 997267 is about 99.9088168817.

The spelling of 997267 in words is "nine hundred ninety-seven thousand, two hundred sixty-seven".