318473 has 2 divisors, whose sum is σ = 318474. Its totient is φ = 318472.

The previous prime is 318467. The next prime is 318503. The reversal of 318473 is 374813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 44944 = 523^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 318473 - 2⁴ = 318457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318473.

It is not a weakly prime, because it can be changed into another prime (318403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159236 + 159237.

It is an arithmetic number, because the mean of its divisors is an integer number (159237).

2³¹⁸⁴⁷³ is an apocalyptic number.

It is an amenable number.

318473 is a deficient number, since it is larger than the sum of its proper divisors (1).

318473 is an equidigital number, since it uses as much as digits as its factorization.

318473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 318473 is about 564.3341208894. The cubic root of 318473 is about 68.2900671316.

The spelling of 318473 in words is "three hundred eighteen thousand, four hundred seventy-three".