1028317 has 2 divisors, whose sum is σ = 1028318. Its totient is φ = 1028316.

The previous prime is 1028309. The next prime is 1028327. The reversal of 1028317 is 7138201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 121 = 1014^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028317 - 2³ = 1028309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028327) 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 as a sum of consecutive naturals, namely, 514158 + 514159.

It is an arithmetic number, because the mean of its divisors is an integer number (514159).

2^1028317 is an apocalyptic number.

It is an amenable number.

1028317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028317 is an equidigital number, since it uses as much as digits as its factorization.

1028317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1028317 is about 1014.0596629390. The cubic root of 1028317 is about 100.9351280966.

The spelling of 1028317 in words is "one million, twenty-eight thousand, three hundred seventeen".