85635203 has 4 divisors (see below), whose sum is σ = 86435640. Its totient is φ = 84834768.

The previous prime is 85635181. The next prime is 85635257. The reversal of 85635203 is 30253658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30253658 = 2 ⋅15126829.

It is a cyclic number.

It is not a de Polignac number, because 85635203 - 2¹² = 85631107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85635203.

It is not an unprimeable number, because it can be changed into a prime (85635293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400058 + ... + 400271.

It is an arithmetic number, because the mean of its divisors is an integer number (21608910).

Almost surely, 2^85635203 is an apocalyptic number.

85635203 is a deficient number, since it is larger than the sum of its proper divisors (800437).

85635203 is a wasteful number, since it uses less digits than its factorization.

85635203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800436.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 85635203 is about 9253.9290574328. The cubic root of 85635203 is about 440.7754970580.

The spelling of 85635203 in words is "eighty-five million, six hundred thirty-five thousand, two hundred three".