206054593 has 2 divisors, whose sum is σ = 206054594. Its totient is φ = 206054592.

The previous prime is 206054557. The next prime is 206054617. The reversal of 206054593 is 395450602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131974144 + 74080449 = 11488^2 + 8607^2 .

It is a cyclic number.

It is not a de Polignac number, because 206054593 - 2⁹ = 206054081 is a prime.

It is equal to p_11395474 and since 206054593 and 11395474 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (206054293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103027296 + 103027297.

It is an arithmetic number, because the mean of its divisors is an integer number (103027297).

Almost surely, 2^206054593 is an apocalyptic number.

It is an amenable number.

206054593 is a deficient number, since it is larger than the sum of its proper divisors (1).

206054593 is an equidigital number, since it uses as much as digits as its factorization.

206054593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 206054593 is about 14354.6018056928. The cubic root of 206054593 is about 590.6462257631.

The spelling of 206054593 in words is "two hundred six million, fifty-four thousand, five hundred ninety-three".