318907 has 2 divisors, whose sum is σ = 318908. Its totient is φ = 318906.

The previous prime is 318889. The next prime is 318911. The reversal of 318907 is 709813.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 318907 - 2¹¹ = 316859 is a prime.

It is a Chen prime.

318907 is a lucky number.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (318917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159453 + 159454.

It is an arithmetic number, because the mean of its divisors is an integer number (159454).

2³¹⁸⁹⁰⁷ is an apocalyptic number.

318907 is a deficient number, since it is larger than the sum of its proper divisors (1).

318907 is an equidigital number, since it uses as much as digits as its factorization.

318907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 318907 is about 564.7185139519. The cubic root of 318907 is about 68.3210738798.

It can be divided in two parts, 318 and 907, that added together give a triangular number (1225 = T₄₉).

The spelling of 318907 in words is "three hundred eighteen thousand, nine hundred seven".