289034197 has 2 divisors, whose sum is σ = 289034198. Its totient is φ = 289034196.

The previous prime is 289034191. The next prime is 289034231. The reversal of 289034197 is 791430982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289034001 + 196 = 17001^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 289034197 - 2³ = 289034189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289034191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144517098 + 144517099.

It is an arithmetic number, because the mean of its divisors is an integer number (144517099).

Almost surely, 2^289034197 is an apocalyptic number.

It is an amenable number.

289034197 is a deficient number, since it is larger than the sum of its proper divisors (1).

289034197 is an equidigital number, since it uses as much as digits as its factorization.

289034197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 289034197 is about 17001.0057643658. The cubic root of 289034197 is about 661.1749784517.

The spelling of 289034197 in words is "two hundred eighty-nine million, thirty-four thousand, one hundred ninety-seven".