497442317 has 2 divisors, whose sum is σ = 497442318. Its totient is φ = 497442316.

The previous prime is 497442289. The next prime is 497442359. The reversal of 497442317 is 713244794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486246601 + 11195716 = 22051^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 497442317 - 2⁸ = 497442061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497442377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248721158 + 248721159.

It is an arithmetic number, because the mean of its divisors is an integer number (248721159).

Almost surely, 2^497442317 is an apocalyptic number.

It is an amenable number.

497442317 is a deficient number, since it is larger than the sum of its proper divisors (1).

497442317 is an equidigital number, since it uses as much as digits as its factorization.

497442317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 497442317 is about 22303.4149178999. The cubic root of 497442317 is about 792.3448555379.

The spelling of 497442317 in words is "four hundred ninety-seven million, four hundred forty-two thousand, three hundred seventeen".