497763239 has 2 divisors, whose sum is σ = 497763240. Its totient is φ = 497763238.

The previous prime is 497763209. The next prime is 497763271. The reversal of 497763239 is 932367794.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497763239 is a prime.

It is a super-2 number, since 2×497763239² = 495536484199542242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497763209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248881619 + 248881620.

It is an arithmetic number, because the mean of its divisors is an integer number (248881620).

Almost surely, 2^497763239 is an apocalyptic number.

497763239 is a deficient number, since it is larger than the sum of its proper divisors (1).

497763239 is an equidigital number, since it uses as much as digits as its factorization.

497763239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 50.

The square root of 497763239 is about 22310.6082167206. The cubic root of 497763239 is about 792.5152111242.

The spelling of 497763239 in words is "four hundred ninety-seven million, seven hundred sixty-three thousand, two hundred thirty-nine".