497466685 has 4 divisors (see below), whose sum is σ = 596960028. Its totient is φ = 397973344.

The previous prime is 497466661. The next prime is 497466691. The reversal of 497466685 is 586664794.

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 282609721 + 214856964 = 16811^2 + 14658^2 .

It is a cyclic number.

It is not a de Polignac number, because 497466685 - 2¹⁵ = 497433917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49746664 + ... + 49746673.

It is an arithmetic number, because the mean of its divisors is an integer number (149240007).

Almost surely, 2^497466685 is an apocalyptic number.

It is an amenable number.

497466685 is a deficient number, since it is larger than the sum of its proper divisors (99493343).

497466685 is an equidigital number, since it uses as much as digits as its factorization.

497466685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99493342.

The product of its digits is 8709120, while the sum is 55.

The square root of 497466685 is about 22303.9611952675. The cubic root of 497466685 is about 792.3577934160.

The spelling of 497466685 in words is "four hundred ninety-seven million, four hundred sixty-six thousand, six hundred eighty-five".