318463 has 4 divisors (see below), whose sum is σ = 328768. Its totient is φ = 308160.

The previous prime is 318457. The next prime is 318467. The reversal of 318463 is 364813.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364813 = 491 ⋅743.

It is a cyclic number.

It is not a de Polignac number, because 318463 - 2⁵ = 318431 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318467) 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, 5106 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (82192).

2³¹⁸⁴⁶³ is an apocalyptic number.

318463 is a deficient number, since it is larger than the sum of its proper divisors (10305).

318463 is a wasteful number, since it uses less digits than its factorization.

318463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10304.

The product of its digits is 1728, while the sum is 25.

The square root of 318463 is about 564.3252608204. The cubic root of 318463 is about 68.2893523585.

The spelling of 318463 in words is "three hundred eighteen thousand, four hundred sixty-three".