289143133 has 2 divisors, whose sum is σ = 289143134. Its totient is φ = 289143132.

The previous prime is 289143131. The next prime is 289143149. The reversal of 289143133 is 331341982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259145604 + 29997529 = 16098^2 + 5477^2 .

It is a cyclic number.

It is not a de Polignac number, because 289143133 - 2¹ = 289143131 is a prime.

It is a super-2 number, since 2×289143133² = 167207502722111378, which contains 22 as substring.

Together with 289143131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289143131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144571566 + 144571567.

It is an arithmetic number, because the mean of its divisors is an integer number (144571567).

Almost surely, 2^289143133 is an apocalyptic number.

It is an amenable number.

289143133 is a deficient number, since it is larger than the sum of its proper divisors (1).

289143133 is an equidigital number, since it uses as much as digits as its factorization.

289143133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 289143133 is about 17004.2092730006. The cubic root of 289143133 is about 661.2580328807.

The spelling of 289143133 in words is "two hundred eighty-nine million, one hundred forty-three thousand, one hundred thirty-three".