500051 has 4 divisors (see below), whose sum is σ = 505104. Its totient is φ = 495000.

The previous prime is 500041. The next prime is 500057. The reversal of 500051 is 150005.

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 500051 - 2¹⁰ = 499027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500057) 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, 2375 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (126276).

2⁵⁰⁰⁰⁵¹ is an apocalyptic number.

500051 is a deficient number, since it is larger than the sum of its proper divisors (5053).

500051 is a wasteful number, since it uses less digits than its factorization.

500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 500051 is about 707.1428427128. The cubic root of 500051 is about 79.3727510885.

Adding to 500051 its reverse (150005), we get a palindrome (650056).

The spelling of 500051 in words is "five hundred thousand, fifty-one".