318847601 has 2 divisors, whose sum is σ = 318847602. Its totient is φ = 318847600.

The previous prime is 318847567. The next prime is 318847619. The reversal of 318847601 is 106748813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316128400 + 2719201 = 17780^2 + 1649^2 .

It is an emirp because it is prime and its reverse (106748813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318847601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (318847621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159423800 + 159423801.

It is an arithmetic number, because the mean of its divisors is an integer number (159423801).

Almost surely, 2^318847601 is an apocalyptic number.

It is an amenable number.

318847601 is a deficient number, since it is larger than the sum of its proper divisors (1).

318847601 is an equidigital number, since it uses as much as digits as its factorization.

318847601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 318847601 is about 17856.3042368795. The cubic root of 318847601 is about 683.1683183275.

The spelling of 318847601 in words is "three hundred eighteen million, eight hundred forty-seven thousand, six hundred one".