288240833 has 2 divisors, whose sum is σ = 288240834. Its totient is φ = 288240832.

The previous prime is 288240793. The next prime is 288240839. The reversal of 288240833 is 338042882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174028864 + 114211969 = 13192^2 + 10687^2 .

It is a cyclic number.

It is not a de Polignac number, because 288240833 - 2¹⁸ = 287978689 is a prime.

It is not a weakly prime, because it can be changed into another prime (288240839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144120416 + 144120417.

It is an arithmetic number, because the mean of its divisors is an integer number (144120417).

Almost surely, 2^288240833 is an apocalyptic number.

It is an amenable number.

288240833 is a deficient number, since it is larger than the sum of its proper divisors (1).

288240833 is an equidigital number, since it uses as much as digits as its factorization.

288240833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 288240833 is about 16977.6568760239. The cubic root of 288240833 is about 660.5694755865.

The spelling of 288240833 in words is "two hundred eighty-eight million, two hundred forty thousand, eight hundred thirty-three".