288948833 has 2 divisors, whose sum is σ = 288948834. Its totient is φ = 288948832.

The previous prime is 288948791. The next prime is 288948851. The reversal of 288948833 is 338849882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 83685904 = 14327^2 + 9148^2 .

It is a cyclic number.

It is not a de Polignac number, because 288948833 - 2⁶ = 288948769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (288948883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144474416 + 144474417.

It is an arithmetic number, because the mean of its divisors is an integer number (144474417).

Almost surely, 2^288948833 is an apocalyptic number.

It is an amenable number.

288948833 is a deficient number, since it is larger than the sum of its proper divisors (1).

288948833 is an equidigital number, since it uses as much as digits as its factorization.

288948833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 53.

The square root of 288948833 is about 16998.4950216188. The cubic root of 288948833 is about 661.1098810816.

Subtracting from 288948833 its sum of digits (53), we obtain a triangular number (288948780 = T₂₄₀₃₉).

The spelling of 288948833 in words is "two hundred eighty-eight million, nine hundred forty-eight thousand, eight hundred thirty-three".