985645033 has 4 divisors (see below), whose sum is σ = 995806420. Its totient is φ = 975483648.

The previous prime is 985645027. The next prime is 985645079. The reversal of 985645033 is 330546589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 420537049 + 565107984 = 20507^2 + 23772^2 .

It is a cyclic number.

It is not a de Polignac number, because 985645033 - 2¹⁷ = 985513961 is a prime.

It is a super-2 number, since 2×985645033² = 1942992262155142178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985645433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5080548 + ... + 5080741.

It is an arithmetic number, because the mean of its divisors is an integer number (248951605).

Almost surely, 2^985645033 is an apocalyptic number.

It is an amenable number.

985645033 is a deficient number, since it is larger than the sum of its proper divisors (10161387).

985645033 is a wasteful number, since it uses less digits than its factorization.

985645033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161386.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 985645033 is about 31394.9842013020. The cubic root of 985645033 is about 995.1919305181.

The spelling of 985645033 in words is "nine hundred eighty-five million, six hundred forty-five thousand, thirty-three".