500016871 has 4 divisors (see below), whose sum is σ = 503011152. Its totient is φ = 497022592.

The previous prime is 500016859. The next prime is 500016877. The reversal of 500016871 is 178610005.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 500016871 - 2⁷ = 500016743 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 (500016877) 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 3 ways as a sum of consecutive naturals, for example, 1496890 + ... + 1497223.

It is an arithmetic number, because the mean of its divisors is an integer number (125752788).

Almost surely, 2^500016871 is an apocalyptic number.

500016871 is a deficient number, since it is larger than the sum of its proper divisors (2994281).

500016871 is a wasteful number, since it uses less digits than its factorization.

500016871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994280.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 500016871 is about 22361.0570188442. The cubic root of 500016871 is about 793.7094528981.

Adding to 500016871 its reverse (178610005), we get a palindrome (678626876).

The spelling of 500016871 in words is "five hundred million, sixteen thousand, eight hundred seventy-one".