497803165 has 4 divisors (see below), whose sum is σ = 597363804. Its totient is φ = 398242528.

The previous prime is 497803139. The next prime is 497803171. The reversal of 497803165 is 561308794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144889369 + 352913796 = 12037^2 + 18786^2 .

It is a cyclic number.

It is not a de Polignac number, because 497803165 - 2⁷ = 497803037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49780312 + ... + 49780321.

It is an arithmetic number, because the mean of its divisors is an integer number (149340951).

Almost surely, 2^497803165 is an apocalyptic number.

It is an amenable number.

497803165 is a deficient number, since it is larger than the sum of its proper divisors (99560639).

497803165 is an equidigital number, since it uses as much as digits as its factorization.

497803165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99560638.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 497803165 is about 22311.5029749230. The cubic root of 497803165 is about 792.5363999906.

The spelling of 497803165 in words is "four hundred ninety-seven million, eight hundred three thousand, one hundred sixty-five".