506915 has 4 divisors (see below), whose sum is σ = 608304. Its totient is φ = 405528.

The previous prime is 506911. The next prime is 506929. The reversal of 506915 is 519605.

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 506915 - 2² = 506911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50687 + ... + 50696.

It is an arithmetic number, because the mean of its divisors is an integer number (152076).

2⁵⁰⁶⁹¹⁵ is an apocalyptic number.

506915 is a deficient number, since it is larger than the sum of its proper divisors (101389).

506915 is a wasteful number, since it uses less digits than its factorization.

506915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101388.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 506915 is about 711.9796345402. The cubic root of 506915 is about 79.7342746024.

The spelling of 506915 in words is "five hundred six thousand, nine hundred fifteen".