289089253 has 2 divisors, whose sum is σ = 289089254. Its totient is φ = 289089252.

The previous prime is 289089247. The next prime is 289089257. The reversal of 289089253 is 352980982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213364449 + 75724804 = 14607^2 + 8702^2 .

It is a cyclic number.

It is not a de Polignac number, because 289089253 - 2⁵ = 289089221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289089257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144544626 + 144544627.

It is an arithmetic number, because the mean of its divisors is an integer number (144544627).

Almost surely, 2^289089253 is an apocalyptic number.

It is an amenable number.

289089253 is a deficient number, since it is larger than the sum of its proper divisors (1).

289089253 is an equidigital number, since it uses as much as digits as its factorization.

289089253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 289089253 is about 17002.6248855875. The cubic root of 289089253 is about 661.2169565739.

The spelling of 289089253 in words is "two hundred eighty-nine million, eighty-nine thousand, two hundred fifty-three".