318282089 has 2 divisors, whose sum is σ = 318282090. Its totient is φ = 318282088.

The previous prime is 318282059. The next prime is 318282131. The reversal of 318282089 is 980282813.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210018064 + 108264025 = 14492^2 + 10405^2 .

It is a cyclic number.

It is not a de Polignac number, because 318282089 - 2²⁰ = 317233513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (318282059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159141044 + 159141045.

It is an arithmetic number, because the mean of its divisors is an integer number (159141045).

Almost surely, 2^318282089 is an apocalyptic number.

It is an amenable number.

318282089 is a deficient number, since it is larger than the sum of its proper divisors (1).

318282089 is an equidigital number, since it uses as much as digits as its factorization.

318282089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 318282089 is about 17840.4621296647. The cubic root of 318282089 is about 682.7641874179.

The spelling of 318282089 in words is "three hundred eighteen million, two hundred eighty-two thousand, eighty-nine".