316005 has 8 divisors (see below), whose sum is σ = 505632. Its totient is φ = 168528.

The previous prime is 316003. The next prime is 316031. The reversal of 316005 is 500613.

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

It is not a de Polignac number, because 316005 - 2¹ = 316003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 21067 = 316005 / (3 + 1 + 6 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316003) 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, 10519 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (63204).

2³¹⁶⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

316005 is a deficient number, since it is larger than the sum of its proper divisors (189627).

316005 is a wasteful number, since it uses less digits than its factorization.

316005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21075.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 316005 is about 562.1432201850. The cubic root of 316005 is about 68.1132053200.

Adding to 316005 its reverse (500613), we get a palindrome (816618).

The spelling of 316005 in words is "three hundred sixteen thousand, five".