288493 has 2 divisors, whose sum is σ = 288494. Its totient is φ = 288492.

The previous prime is 288481. The next prime is 288499. The reversal of 288493 is 394882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 56169 = 482^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 288493 - 2⁵ = 288461 is a prime.

It is a super-2 number, since 2×288493² = 166456422098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144246 + 144247.

It is an arithmetic number, because the mean of its divisors is an integer number (144247).

2²⁸⁸⁴⁹³ is an apocalyptic number.

It is an amenable number.

288493 is a deficient number, since it is larger than the sum of its proper divisors (1).

288493 is an equidigital number, since it uses as much as digits as its factorization.

288493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 288493 is about 537.1154438294. The cubic root of 288493 is about 66.0762052131.

The spelling of 288493 in words is "two hundred eighty-eight thousand, four hundred ninety-three".