205134533 has 8 divisors (see below), whose sum is σ = 213937920. Its totient is φ = 196467840.

The previous prime is 205134509. The next prime is 205134541. The reversal of 205134533 is 335431502.

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 205134533 - 2²⁰ = 204085957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205134133) by changing a digit.

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, 31103 + ... + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (26742240).

Almost surely, 2^205134533 is an apocalyptic number.

It is an amenable number.

205134533 is a deficient number, since it is larger than the sum of its proper divisors (8803387).

205134533 is an equidigital number, since it uses as much as digits as its factorization.

205134533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68347.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 205134533 is about 14322.5183888868. The cubic root of 205134533 is about 589.7658105312.

The spelling of 205134533 in words is "two hundred five million, one hundred thirty-four thousand, five hundred thirty-three".