283289 has 2 divisors, whose sum is σ = 283290. Its totient is φ = 283288.

The previous prime is 283277. The next prime is 283303. The reversal of 283289 is 982382.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 85264 = 445^2 + 292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283289 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283289.

It is not a weakly prime, because it can be changed into another prime (283489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141644 + 141645.

It is an arithmetic number, because the mean of its divisors is an integer number (141645).

2²⁸³²⁸⁹ is an apocalyptic number.

It is an amenable number.

283289 is a deficient number, since it is larger than the sum of its proper divisors (1).

283289 is an equidigital number, since it uses as much as digits as its factorization.

283289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 283289 is about 532.2490018779. The cubic root of 283289 is about 65.6764853719.

The spelling of 283289 in words is "two hundred eighty-three thousand, two hundred eighty-nine".