213083785 has 8 divisors (see below), whose sum is σ = 259517376. Its totient is φ = 167922480.

The previous prime is 213083779. The next prime is 213083807. The reversal of 213083785 is 587380312.

213083785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213083785 - 2⁷ = 213083657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317701 + ... + 318370.

It is an arithmetic number, because the mean of its divisors is an integer number (32439672).

Almost surely, 2^213083785 is an apocalyptic number.

It is an amenable number.

213083785 is a deficient number, since it is larger than the sum of its proper divisors (46433591).

213083785 is an equidigital number, since it uses as much as digits as its factorization.

213083785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636143.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 213083785 is about 14597.3896639091. The cubic root of 213083785 is about 597.2875571605.

The spelling of 213083785 in words is "two hundred thirteen million, eighty-three thousand, seven hundred eighty-five".