206529065 has 8 divisors (see below), whose sum is σ = 247936128. Its totient is φ = 165155760.

The previous prime is 206529061. The next prime is 206529077. The reversal of 206529065 is 560925602.

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

It is not a de Polignac number, because 206529065 - 2² = 206529061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206529061) 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, 7904 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (30992016).

Almost surely, 2^206529065 is an apocalyptic number.

It is an amenable number.

206529065 is a deficient number, since it is larger than the sum of its proper divisors (41407063).

206529065 is a wasteful number, since it uses less digits than its factorization.

206529065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 206529065 is about 14371.1191283073. The cubic root of 206529065 is about 591.0992291224.

The spelling of 206529065 in words is "two hundred six million, five hundred twenty-nine thousand, sixty-five".