497907173 has 2 divisors, whose sum is σ = 497907174. Its totient is φ = 497907172.

The previous prime is 497907043. The next prime is 497907181. The reversal of 497907173 is 371709794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360126529 + 137780644 = 18977^2 + 11738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497907173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497907973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248953586 + 248953587.

It is an arithmetic number, because the mean of its divisors is an integer number (248953587).

Almost surely, 2^497907173 is an apocalyptic number.

It is an amenable number.

497907173 is a deficient number, since it is larger than the sum of its proper divisors (1).

497907173 is an equidigital number, since it uses as much as digits as its factorization.

497907173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 497907173 is about 22313.8336688253. The cubic root of 497907173 is about 792.5915920769.

The spelling of 497907173 in words is "four hundred ninety-seven million, nine hundred seven thousand, one hundred seventy-three".