316543 has 4 divisors (see below), whose sum is σ = 317800. Its totient is φ = 315288.

The previous prime is 316531. The next prime is 316567. The reversal of 316543 is 345613.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 345613 = 53 ⋅6521.

It is a cyclic number.

It is not a de Polignac number, because 316543 - 2⁹ = 316031 is a prime.

It is a Duffinian number.

316543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316583) 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, 105 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (79450).

2³¹⁶⁵⁴³ is an apocalyptic number.

316543 is a deficient number, since it is larger than the sum of its proper divisors (1257).

316543 is an equidigital number, since it uses as much as digits as its factorization.

316543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 1080, while the sum is 22.

The square root of 316543 is about 562.6215424244. The cubic root of 316543 is about 68.1518377552.

The spelling of 316543 in words is "three hundred sixteen thousand, five hundred forty-three".