213535785 has 8 divisors (see below), whose sum is σ = 341657280. Its totient is φ = 113885744.

The previous prime is 213535783. The next prime is 213535823. The reversal of 213535785 is 587535312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213535785 - 2¹ = 213535783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213535783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7117845 + ... + 7117874.

It is an arithmetic number, because the mean of its divisors is an integer number (42707160).

Almost surely, 2^213535785 is an apocalyptic number.

It is an amenable number.

213535785 is a deficient number, since it is larger than the sum of its proper divisors (128121495).

213535785 is a wasteful number, since it uses less digits than its factorization.

213535785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235727.

The product of its digits is 126000, while the sum is 39.

The square root of 213535785 is about 14612.8636823861. The cubic root of 213535785 is about 597.7095872523.

The spelling of 213535785 in words is "two hundred thirteen million, five hundred thirty-five thousand, seven hundred eighty-five".