500011 has 4 divisors (see below), whose sum is σ = 504792. Its totient is φ = 495232.

The previous prime is 500009. The next prime is 500029. The reversal of 500011 is 110005.

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 500011 - 2¹ = 500009 is a prime.

It is a super-2 number, since 2×500011² = 500022000242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499967 and 500003.

It is not an unprimeable number, because it can be changed into a prime (500041) 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, 2230 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (126198).

2⁵⁰⁰⁰¹¹ is an apocalyptic number.

500011 is a deficient number, since it is larger than the sum of its proper divisors (4781).

500011 is a wasteful number, since it uses less digits than its factorization.

500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 500011 is about 707.1145593184. The cubic root of 500011 is about 79.3706346412.

Adding to 500011 its reverse (110005), we get a palindrome (610016).

The spelling of 500011 in words is "five hundred thousand, eleven".