289601093 has 2 divisors, whose sum is σ = 289601094. Its totient is φ = 289601092.

The previous prime is 289601089. The next prime is 289601111. The reversal of 289601093 is 390106982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179077924 + 110523169 = 13382^2 + 10513^2 .

It is a cyclic number.

It is not a de Polignac number, because 289601093 - 2² = 289601089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289601003) 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, 144800546 + 144800547.

It is an arithmetic number, because the mean of its divisors is an integer number (144800547).

Almost surely, 2^289601093 is an apocalyptic number.

It is an amenable number.

289601093 is a deficient number, since it is larger than the sum of its proper divisors (1).

289601093 is an equidigital number, since it uses as much as digits as its factorization.

289601093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 289601093 is about 17017.6700226559. The cubic root of 289601093 is about 661.6069604020.

The spelling of 289601093 in words is "two hundred eighty-nine million, six hundred one thousand, ninety-three".