206341253 has 2 divisors, whose sum is σ = 206341254. Its totient is φ = 206341252.

The previous prime is 206341229. The next prime is 206341259. The reversal of 206341253 is 352143602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189833284 + 16507969 = 13778^2 + 4063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206341253 is a prime.

It is a super-2 number, since 2×206341253² = 85153425379220018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206341259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103170626 + 103170627.

It is an arithmetic number, because the mean of its divisors is an integer number (103170627).

Almost surely, 2^206341253 is an apocalyptic number.

It is an amenable number.

206341253 is a deficient number, since it is larger than the sum of its proper divisors (1).

206341253 is an equidigital number, since it uses as much as digits as its factorization.

206341253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 206341253 is about 14364.5832866812. The cubic root of 206341253 is about 590.9199981799.

Adding to 206341253 its reverse (352143602), we get a palindrome (558484855).

The spelling of 206341253 in words is "two hundred six million, three hundred forty-one thousand, two hundred fifty-three".