318673001 has 2 divisors, whose sum is σ = 318673002. Its totient is φ = 318673000.

The previous prime is 318672989. The next prime is 318673009. The reversal of 318673001 is 100376813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176491225 + 142181776 = 13285^2 + 11924^2 .

It is an emirp because it is prime and its reverse (100376813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318673001 is a prime.

It is not a weakly prime, because it can be changed into another prime (318673009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159336500 + 159336501.

It is an arithmetic number, because the mean of its divisors is an integer number (159336501).

Almost surely, 2^318673001 is an apocalyptic number.

It is an amenable number.

318673001 is a deficient number, since it is larger than the sum of its proper divisors (1).

318673001 is an equidigital number, since it uses as much as digits as its factorization.

318673001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 318673001 is about 17851.4145377894. The cubic root of 318673001 is about 683.0435952443.

The spelling of 318673001 in words is "three hundred eighteen million, six hundred seventy-three thousand, one".