206153 has 2 divisors, whose sum is σ = 206154. Its totient is φ = 206152.

The previous prime is 206123. The next prime is 206177. The reversal of 206153 is 351602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 1849 = 452^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 206153 - 2¹⁰ = 205129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103076 + 103077.

It is an arithmetic number, because the mean of its divisors is an integer number (103077).

2²⁰⁶¹⁵³ is an apocalyptic number.

It is an amenable number.

206153 is a deficient number, since it is larger than the sum of its proper divisors (1).

206153 is an equidigital number, since it uses as much as digits as its factorization.

206153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 206153 is about 454.0407470701. The cubic root of 206153 is about 59.0740237212.

Adding to 206153 its reverse (351602), we get a palindrome (557755).

The spelling of 206153 in words is "two hundred six thousand, one hundred fifty-three".