206472611 has 2 divisors, whose sum is σ = 206472612. Its totient is φ = 206472610.

The previous prime is 206472593. The next prime is 206472661. The reversal of 206472611 is 116274602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206472611 - 2¹⁸ = 206210467 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206472661) 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 as a sum of consecutive naturals, namely, 103236305 + 103236306.

It is an arithmetic number, because the mean of its divisors is an integer number (103236306).

Almost surely, 2^206472611 is an apocalyptic number.

206472611 is a deficient number, since it is larger than the sum of its proper divisors (1).

206472611 is an equidigital number, since it uses as much as digits as its factorization.

206472611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 206472611 is about 14369.1548464062. The cubic root of 206472611 is about 591.0453659097.

The spelling of 206472611 in words is "two hundred six million, four hundred seventy-two thousand, six hundred eleven".