505016697 has 4 divisors (see below), whose sum is σ = 673355600. Its totient is φ = 336677796.

The previous prime is 505016669. The next prime is 505016711. The reversal of 505016697 is 796610505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 505016697 - 2¹⁰ = 505015673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505016657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84169447 + ... + 84169452.

It is an arithmetic number, because the mean of its divisors is an integer number (168338900).

Almost surely, 2^505016697 is an apocalyptic number.

It is an amenable number.

505016697 is a deficient number, since it is larger than the sum of its proper divisors (168338903).

505016697 is a wasteful number, since it uses less digits than its factorization.

505016697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168338902.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 505016697 is about 22472.5765545475. The cubic root of 505016697 is about 796.3462006142.

The spelling of 505016697 in words is "five hundred five million, sixteen thousand, six hundred ninety-seven".