289048471 has 2 divisors, whose sum is σ = 289048472. Its totient is φ = 289048470.

The previous prime is 289048421. The next prime is 289048523. The reversal of 289048471 is 174840982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289048471 - 2⁷ = 289048343 is a prime.

It is a super-3 number, since 3×289048471³ (a number of 26 digits) contains 333 as substring.

It is equal to p_15690769 and since 289048471 and 15690769 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289048421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144524235 + 144524236.

It is an arithmetic number, because the mean of its divisors is an integer number (144524236).

Almost surely, 2^289048471 is an apocalyptic number.

289048471 is a deficient number, since it is larger than the sum of its proper divisors (1).

289048471 is an equidigital number, since it uses as much as digits as its factorization.

289048471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 289048471 is about 17001.4255578760. The cubic root of 289048471 is about 661.1858623498.

The spelling of 289048471 in words is "two hundred eighty-nine million, forty-eight thousand, four hundred seventy-one".