206530825243027 has 2 divisors, whose sum is σ = 206530825243028. Its totient is φ = 206530825243026.

The previous prime is 206530825243021. The next prime is 206530825243037. The reversal of 206530825243027 is 720342528035602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206530825243027 - 2³¹ = 206528677759379 is a prime.

It is a super-2 number, since 2×206530825243027² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206530825243021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103265412621513 + 103265412621514.

It is an arithmetic number, because the mean of its divisors is an integer number (103265412621514).

Almost surely, 2^{206530825243027} is an apocalyptic number.

206530825243027 is a deficient number, since it is larger than the sum of its proper divisors (1).

206530825243027 is an equidigital number, since it uses as much as digits as its factorization.

206530825243027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 206530825243027 in words is "two hundred six trillion, five hundred thirty billion, eight hundred twenty-five million, two hundred forty-three thousand, twenty-seven".