316009 has 4 divisors (see below), whose sum is σ = 317520. Its totient is φ = 314500.

The previous prime is 316003. The next prime is 316031. The reversal of 316009 is 900613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900613 = 7 ⋅128659.

It is a cyclic number.

It is not a de Polignac number, because 316009 - 2⁵ = 315977 is a prime.

It is an Ulam number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 379 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2³¹⁶⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

316009 is a deficient number, since it is larger than the sum of its proper divisors (1511).

316009 is a wasteful number, since it uses less digits than its factorization.

316009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 316009 is about 562.1467779860. The cubic root of 316009 is about 68.1134927117.

The spelling of 316009 in words is "three hundred sixteen thousand, nine".