206416541 has 2 divisors, whose sum is σ = 206416542. Its totient is φ = 206416540.

The previous prime is 206416501. The next prime is 206416583. The reversal of 206416541 is 145614602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185531641 + 20884900 = 13621^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 206416541 - 2⁶ = 206416477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206416501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103208270 + 103208271.

It is an arithmetic number, because the mean of its divisors is an integer number (103208271).

Almost surely, 2^206416541 is an apocalyptic number.

It is an amenable number.

206416541 is a deficient number, since it is larger than the sum of its proper divisors (1).

206416541 is an equidigital number, since it uses as much as digits as its factorization.

206416541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 206416541 is about 14367.2036597245. The cubic root of 206416541 is about 590.9918593554.

The spelling of 206416541 in words is "two hundred six million, four hundred sixteen thousand, five hundred forty-one".