288242833 has 4 divisors (see below), whose sum is σ = 295273188. Its totient is φ = 281212480.

The previous prime is 288242819. The next prime is 288242849. The reversal of 288242833 is 338242882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 338242882 = 2 ⋅169121441.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 283349889 = 2212^2 + 16833^2 .

It is a cyclic number.

It is not a de Polignac number, because 288242833 - 2¹³ = 288234641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288242813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515116 + ... + 3515197.

It is an arithmetic number, because the mean of its divisors is an integer number (73818297).

Almost surely, 2^288242833 is an apocalyptic number.

It is an amenable number.

288242833 is a deficient number, since it is larger than the sum of its proper divisors (7030355).

288242833 is an equidigital number, since it uses as much as digits as its factorization.

288242833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030354.

The product of its digits is 147456, while the sum is 40.

The square root of 288242833 is about 16977.7157768647. The cubic root of 288242833 is about 660.5710034014.

The spelling of 288242833 in words is "two hundred eighty-eight million, two hundred forty-two thousand, eight hundred thirty-three".