206125255 has 16 divisors (see below), whose sum is σ = 299315520. Its totient is φ = 133028352.

The previous prime is 206125253. The next prime is 206125277. The reversal of 206125255 is 552521602.

It is a cyclic number.

It is not a de Polignac number, because 206125255 - 2¹ = 206125253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206125253) 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 15 ways as a sum of consecutive naturals, for example, 172620 + ... + 173809.

It is an arithmetic number, because the mean of its divisors is an integer number (18707220).

Almost surely, 2^206125255 is an apocalyptic number.

206125255 is a deficient number, since it is larger than the sum of its proper divisors (93190265).

206125255 is a wasteful number, since it uses less digits than its factorization.

206125255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346458.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 206125255 is about 14357.0628960105. The cubic root of 206125255 is about 590.7137345287.

Adding to 206125255 its reverse (552521602), we get a palindrome (758646857).

The spelling of 206125255 in words is "two hundred six million, one hundred twenty-five thousand, two hundred fifty-five".