985100203 has 4 divisors (see below), whose sum is σ = 985425088. Its totient is φ = 984775320.

The previous prime is 985100197. The next prime is 985100227. The reversal of 985100203 is 302001589.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985100203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985100243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157851 + ... + 163972.

It is an arithmetic number, because the mean of its divisors is an integer number (246356272).

Almost surely, 2^985100203 is an apocalyptic number.

985100203 is a deficient number, since it is larger than the sum of its proper divisors (324885).

985100203 is a wasteful number, since it uses less digits than its factorization.

985100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324884.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 985100203 is about 31386.3059788819. The cubic root of 985100203 is about 995.0085276577.

The spelling of 985100203 in words is "nine hundred eighty-five million, one hundred thousand, two hundred three".