206530534 has 8 divisors (see below), whose sum is σ = 354052368. Its totient is φ = 88513080.

The previous prime is 206530531. The next prime is 206530561. The reversal of 206530534 is 435035602.

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

It is a super-2 number, since 2×206530534² = 85309722948650312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206530531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7376077 + ... + 7376104.

It is an arithmetic number, because the mean of its divisors is an integer number (44256546).

Almost surely, 2^206530534 is an apocalyptic number.

206530534 is a deficient number, since it is larger than the sum of its proper divisors (147521834).

206530534 is a wasteful number, since it uses less digits than its factorization.

206530534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14752190.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 206530534 is about 14371.1702376668. The cubic root of 206530534 is about 591.1006305760.

The spelling of 206530534 in words is "two hundred six million, five hundred thirty thousand, five hundred thirty-four".