500049997 has 4 divisors (see below), whose sum is σ = 500229340. Its totient is φ = 499870656.

The previous prime is 500049989. The next prime is 500050003. The reversal of 500049997 is 799940005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799940005 = 5 ⋅159988001.

It can be written as a sum of positive squares in 2 ways, for example, as 76143076 + 423906921 = 8726^2 + 20589^2 .

It is a cyclic number.

It is not a de Polignac number, because 500049997 - 2³ = 500049989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500043997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85422 + ... + 91087.

It is an arithmetic number, because the mean of its divisors is an integer number (125057335).

Almost surely, 2^500049997 is an apocalyptic number.

It is an amenable number.

500049997 is a deficient number, since it is larger than the sum of its proper divisors (179343).

500049997 is a wasteful number, since it uses less digits than its factorization.

500049997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179342.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 500049997 is about 22361.7977139585. The cubic root of 500049997 is about 793.7269801992.

The spelling of 500049997 in words is "five hundred million, forty-nine thousand, nine hundred ninety-seven".