318377 has 2 divisors, whose sum is σ = 318378. Its totient is φ = 318376.

The previous prime is 318349. The next prime is 318403. The reversal of 318377 is 773813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 72361 = 496^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 318377 - 2⁶ = 318313 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318377.

It is not a weakly prime, because it can be changed into another prime (318337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159188 + 159189.

It is an arithmetic number, because the mean of its divisors is an integer number (159189).

2³¹⁸³⁷⁷ is an apocalyptic number.

It is an amenable number.

318377 is a deficient number, since it is larger than the sum of its proper divisors (1).

318377 is an equidigital number, since it uses as much as digits as its factorization.

318377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 29.

The square root of 318377 is about 564.2490584839. The cubic root of 318377 is about 68.2832046919.

The spelling of 318377 in words is "three hundred eighteen thousand, three hundred seventy-seven".