288803 has 2 divisors, whose sum is σ = 288804. Its totient is φ = 288802.

The previous prime is 288773. The next prime is 288817. The reversal of 288803 is 308882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 288803 - 2¹² = 284707 is a prime.

It is not a weakly prime, because it can be changed into another prime (288823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144401 + 144402.

It is an arithmetic number, because the mean of its divisors is an integer number (144402).

2²⁸⁸⁸⁰³ is an apocalyptic number.

288803 is a deficient number, since it is larger than the sum of its proper divisors (1).

288803 is an equidigital number, since it uses as much as digits as its factorization.

288803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 288803 is about 537.4039449055. The cubic root of 288803 is about 66.0998641247.

The spelling of 288803 in words is "two hundred eighty-eight thousand, eight hundred three".