206053489 has 2 divisors, whose sum is σ = 206053490. Its totient is φ = 206053488.

The previous prime is 206053483. The next prime is 206053493. The reversal of 206053489 is 984350602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116467264 + 89586225 = 10792^2 + 9465^2 .

It is a cyclic number.

It is not a de Polignac number, because 206053489 - 2¹³ = 206045297 is a prime.

It is not a weakly prime, because it can be changed into another prime (206053483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103026744 + 103026745.

It is an arithmetic number, because the mean of its divisors is an integer number (103026745).

Almost surely, 2^206053489 is an apocalyptic number.

It is an amenable number.

206053489 is a deficient number, since it is larger than the sum of its proper divisors (1).

206053489 is an equidigital number, since it uses as much as digits as its factorization.

206053489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 206053489 is about 14354.5633510741. The cubic root of 206053489 is about 590.6451709058.

The spelling of 206053489 in words is "two hundred six million, fifty-three thousand, four hundred eighty-nine".