985383533 has 2 divisors, whose sum is σ = 985383534. Its totient is φ = 985383532.

The previous prime is 985383517. The next prime is 985383551. The reversal of 985383533 is 335383589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677977444 + 307406089 = 26038^2 + 17533^2 .

It is an emirp because it is prime and its reverse (335383589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985383533 - 2⁴ = 985383517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985383583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492691766 + 492691767.

It is an arithmetic number, because the mean of its divisors is an integer number (492691767).

Almost surely, 2^985383533 is an apocalyptic number.

It is an amenable number.

985383533 is a deficient number, since it is larger than the sum of its proper divisors (1).

985383533 is an equidigital number, since it uses as much as digits as its factorization.

985383533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 47.

The square root of 985383533 is about 31390.8192470346. The cubic root of 985383533 is about 995.1039117759.

The spelling of 985383533 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, five hundred thirty-three".