1028585339 has 2 divisors, whose sum is σ = 1028585340. Its totient is φ = 1028585338.

The previous prime is 1028585303. The next prime is 1028585347. The reversal of 1028585339 is 9335858201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9335858201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028585339 - 2¹⁶ = 1028519803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028585339.

It is not a weakly prime, because it can be changed into another prime (1028585399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514292669 + 514292670.

It is an arithmetic number, because the mean of its divisors is an integer number (514292670).

Almost surely, 2^1028585339 is an apocalyptic number.

1028585339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028585339 is an equidigital number, since it uses as much as digits as its factorization.

1028585339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1028585339 is about 32071.5658956653. The cubic root of 1028585339 is about 1009.4390699636.

The spelling of 1028585339 in words is "one billion, twenty-eight million, five hundred eighty-five thousand, three hundred thirty-nine".