497291 has 2 divisors, whose sum is σ = 497292. Its totient is φ = 497290.

The previous prime is 497281. The next prime is 497297. The reversal of 497291 is 192794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497291 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 (497297) 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, 248645 + 248646.

It is an arithmetic number, because the mean of its divisors is an integer number (248646).

2⁴⁹⁷²⁹¹ is an apocalyptic number.

497291 is a deficient number, since it is larger than the sum of its proper divisors (1).

497291 is an equidigital number, since it uses as much as digits as its factorization.

497291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 497291 is about 705.1886272481. The cubic root of 497291 is about 79.2264506252.

The spelling of 497291 in words is "four hundred ninety-seven thousand, two hundred ninety-one".