506109 has 8 divisors (see below), whose sum is σ = 684352. Its totient is φ = 332640.

The previous prime is 506101. The next prime is 506113. The reversal of 506109 is 901605.

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

It is not a de Polignac number, because 506109 - 2³ = 506101 is a prime.

It is a super-2 number, since 2×506109² = 512292639762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506101) 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, 937 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (85544).

2⁵⁰⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

506109 is a deficient number, since it is larger than the sum of its proper divisors (178243).

506109 is a wasteful number, since it uses less digits than its factorization.

506109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 506109 is about 711.4133819377. The cubic root of 506109 is about 79.6919927494.

The spelling of 506109 in words is "five hundred six thousand, one hundred nine".