288481 has 2 divisors, whose sum is σ = 288482. Its totient is φ = 288480.

The previous prime is 288467. The next prime is 288493. The reversal of 288481 is 184882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 58081 = 480^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 288481 - 2¹⁵ = 255713 is a prime.

It is a super-2 number, since 2×288481² = 166442574722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (288461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144240 + 144241.

It is an arithmetic number, because the mean of its divisors is an integer number (144241).

2²⁸⁸⁴⁸¹ is an apocalyptic number.

It is an amenable number.

288481 is a deficient number, since it is larger than the sum of its proper divisors (1).

288481 is an equidigital number, since it uses as much as digits as its factorization.

288481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 31.

The square root of 288481 is about 537.1042729303. The cubic root of 288481 is about 66.0752890436.

The spelling of 288481 in words is "two hundred eighty-eight thousand, four hundred eighty-one".