985383583 has 2 divisors, whose sum is σ = 985383584. Its totient is φ = 985383582.

The previous prime is 985383557. The next prime is 985383587. The reversal of 985383583 is 385383589.

It is a strong prime.

It is an emirp because it is prime and its reverse (385383589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985383583 - 2⁵ = 985383551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985383583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985383587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492691791 + 492691792.

It is an arithmetic number, because the mean of its divisors is an integer number (492691792).

Almost surely, 2^985383583 is an apocalyptic number.

985383583 is a deficient number, since it is larger than the sum of its proper divisors (1).

985383583 is an equidigital number, since it uses as much as digits as its factorization.

985383583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 52.

The square root of 985383583 is about 31390.8200434458. The cubic root of 985383583 is about 995.1039286070.

The spelling of 985383583 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, five hundred eighty-three".