853935605 has 12 divisors (see below), whose sum is σ = 1071216300. Its totient is φ = 653444352.

The previous prime is 853935587. The next prime is 853935631. The reversal of 853935605 is 506539358.

It can be written as a sum of positive squares in 2 ways, for example, as 664763089 + 189172516 = 25783^2 + 13754^2 .

It is not a de Polignac number, because 853935605 - 2⁸ = 853935349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158780 + ... + 164069.

It is an arithmetic number, because the mean of its divisors is an integer number (89268025).

Almost surely, 2^853935605 is an apocalyptic number.

It is an amenable number.

853935605 is a deficient number, since it is larger than the sum of its proper divisors (217280695).

853935605 is a wasteful number, since it uses less digits than its factorization.

853935605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322900 (or 322877 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 853935605 is about 29222.1765958664. The cubic root of 853935605 is about 948.7279762258.

It can be divided in two parts, 8539 and 35605, that added together give a palindrome (44144).

The spelling of 853935605 in words is "eight hundred fifty-three million, nine hundred thirty-five thousand, six hundred five".