205133533 has 16 divisors (see below), whose sum is σ = 228729600. Its totient is φ = 182407680.

The previous prime is 205133507. The next prime is 205133569. The reversal of 205133533 is 335331502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 205133533 - 2¹⁷ = 205002461 is a prime.

It is a super-2 number, since 2×205133533² = 84159532722124178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205133498 and 205133507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205133503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97153 + ... + 99241.

It is an arithmetic number, because the mean of its divisors is an integer number (14295600).

Almost surely, 2^205133533 is an apocalyptic number.

It is an amenable number.

205133533 is a deficient number, since it is larger than the sum of its proper divisors (23596067).

205133533 is a wasteful number, since it uses less digits than its factorization.

205133533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 205133533 is about 14322.4834787826. The cubic root of 205133533 is about 589.7648521897.

The spelling of 205133533 in words is "two hundred five million, one hundred thirty-three thousand, five hundred thirty-three".