206502053 has 2 divisors, whose sum is σ = 206502054. Its totient is φ = 206502052.

The previous prime is 206502041. The next prime is 206502103. The reversal of 206502053 is 350205602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183250369 + 23251684 = 13537^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 206502053 - 2⁶ = 206501989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206502853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103251026 + 103251027.

It is an arithmetic number, because the mean of its divisors is an integer number (103251027).

Almost surely, 2^206502053 is an apocalyptic number.

It is an amenable number.

206502053 is a deficient number, since it is larger than the sum of its proper divisors (1).

206502053 is an equidigital number, since it uses as much as digits as its factorization.

206502053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 206502053 is about 14370.1792960283. The cubic root of 206502053 is about 591.0734579821.

Adding to 206502053 its reverse (350205602), we get a palindrome (556707655).

The spelling of 206502053 in words is "two hundred six million, five hundred two thousand, fifty-three".