205213235 has 8 divisors (see below), whose sum is σ = 246452976. Its totient is φ = 164039200.

The previous prime is 205213219. The next prime is 205213247. The reversal of 205213235 is 532312502.

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

It is not a de Polignac number, because 205213235 - 2⁴ = 205213219 is a prime.

It is a super-2 number, since 2×205213235² = 84224943638330450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205213235.

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, 9269 + ... + 22278.

It is an arithmetic number, because the mean of its divisors is an integer number (30806622).

Almost surely, 2^205213235 is an apocalyptic number.

205213235 is a deficient number, since it is larger than the sum of its proper divisors (41239741).

205213235 is a wasteful number, since it uses less digits than its factorization.

205213235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32853.

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

The square root of 205213235 is about 14325.2656170837. The cubic root of 205213235 is about 589.8412241527.

Adding to 205213235 its reverse (532312502), we get a palindrome (737525737).

The spelling of 205213235 in words is "two hundred five million, two hundred thirteen thousand, two hundred thirty-five".