205233215 has 8 divisors (see below), whose sum is σ = 268669008. Its totient is φ = 149260480.

The previous prime is 205233181. The next prime is 205233233. The reversal of 205233215 is 512332502.

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

It is not a de Polignac number, because 205233215 - 2¹⁴ = 205216831 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865702 + ... + 1865811.

It is an arithmetic number, because the mean of its divisors is an integer number (33583626).

Almost surely, 2^205233215 is an apocalyptic number.

205233215 is a deficient number, since it is larger than the sum of its proper divisors (63435793).

205233215 is a wasteful number, since it uses less digits than its factorization.

205233215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731529.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 205233215 is about 14325.9629693784. The cubic root of 205233215 is about 589.8603662664.

Adding to 205233215 its reverse (512332502), we get a palindrome (717565717).

The spelling of 205233215 in words is "two hundred five million, two hundred thirty-three thousand, two hundred fifteen".