497485819 has 8 divisors (see below), whose sum is σ = 503848800. Its totient is φ = 491163456.

The previous prime is 497485801. The next prime is 497485829. The reversal of 497485819 is 918584794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497485819 - 2¹¹ = 497483771 is a prime.

It is a super-2 number, since 2×497485819² = 494984280212201522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 497485819.

It is not an unprimeable number, because it can be changed into a prime (497485829) 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 in 7 ways as a sum of consecutive naturals, for example, 14887 + ... + 34879.

It is an arithmetic number, because the mean of its divisors is an integer number (62981100).

Almost surely, 2^497485819 is an apocalyptic number.

497485819 is a deficient number, since it is larger than the sum of its proper divisors (6362981).

497485819 is a wasteful number, since it uses less digits than its factorization.

497485819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309.

The product of its digits is 2903040, while the sum is 55.

The square root of 497485819 is about 22304.3901284030. The cubic root of 497485819 is about 792.3679520726.

The spelling of 497485819 in words is "four hundred ninety-seven million, four hundred eighty-five thousand, eight hundred nineteen".