215133205 has 8 divisors (see below), whose sum is σ = 295039872. Its totient is φ = 147519888.

The previous prime is 215133197. The next prime is 215133227. The reversal of 215133205 is 502331512.

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 215133205 - 2³ = 215133197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3073297 + ... + 3073366.

It is an arithmetic number, because the mean of its divisors is an integer number (36879984).

Almost surely, 2^215133205 is an apocalyptic number.

It is an amenable number.

215133205 is a deficient number, since it is larger than the sum of its proper divisors (79906667).

215133205 is an equidigital number, since it uses as much as digits as its factorization.

215133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146675.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 215133205 is about 14667.4198480851. The cubic root of 215133205 is about 599.1963360581.

Adding to 215133205 its reverse (502331512), we get a palindrome (717464717).

The spelling of 215133205 in words is "two hundred fifteen million, one hundred thirty-three thousand, two hundred five".