500005 has 8 divisors (see below), whose sum is σ = 654624. Its totient is φ = 363600.

The previous prime is 499979. The next prime is 500009.

500005 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 500005 - 2⁵ = 499973 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 499964 and 500000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (81828).

2⁵⁰⁰⁰⁰⁵ is an apocalyptic number.

500005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

500005 is a deficient number, since it is larger than the sum of its proper divisors (154619).

500005 is a wasteful number, since it uses less digits than its factorization.

500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107.

The product of its (nonzero) digits is 25, while the sum is 10.

The square root of 500005 is about 707.1103167116. The cubic root of 500005 is about 79.3703171644.

It can be divided in two parts, 50000 and 5, that multiplied together give a square (250000 = 500²).

The spelling of 500005 in words is "five hundred thousand, five".