206073061 has 2 divisors, whose sum is σ = 206073062. Its totient is φ = 206073060.

The previous prime is 206073059. The next prime is 206073073. The reversal of 206073061 is 160370602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106193025 + 99880036 = 10305^2 + 9994^2 .

It is a cyclic number.

It is not a de Polignac number, because 206073061 - 2¹ = 206073059 is a prime.

It is a super-2 number, since 2×206073061² = 84932212939819442, which contains 22 as substring.

Together with 206073059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206073041) 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, 103036530 + 103036531.

It is an arithmetic number, because the mean of its divisors is an integer number (103036531).

Almost surely, 2^206073061 is an apocalyptic number.

It is an amenable number.

206073061 is a deficient number, since it is larger than the sum of its proper divisors (1).

206073061 is an equidigital number, since it uses as much as digits as its factorization.

206073061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 206073061 is about 14355.2450693118. The cubic root of 206073061 is about 590.6638711332.

The spelling of 206073061 in words is "two hundred six million, seventy-three thousand, sixty-one".