316481 has 4 divisors (see below), whose sum is σ = 345264. Its totient is φ = 287700.

The previous prime is 316471. The next prime is 316493. The reversal of 316481 is 184613.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316481 is a prime.

It is a super-2 number, since 2×316481² = 200320446722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316481.

It is not an unprimeable number, because it can be changed into a prime (316471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (86316).

2³¹⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

316481 is a deficient number, since it is larger than the sum of its proper divisors (28783).

316481 is a wasteful number, since it uses less digits than its factorization.

316481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28782.

The product of its digits is 576, while the sum is 23.

The square root of 316481 is about 562.5664405206. The cubic root of 316481 is about 68.1473879228.

It can be divided in two parts, 316 and 481, that added together give a palindrome (797).

The spelling of 316481 in words is "three hundred sixteen thousand, four hundred eighty-one".