206687053 has 2 divisors, whose sum is σ = 206687054. Its totient is φ = 206687052.

The previous prime is 206687051. The next prime is 206687087. The reversal of 206687053 is 350786602.

206687053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205578244 + 1108809 = 14338^2 + 1053^2 .

It is a cyclic number.

It is not a de Polignac number, because 206687053 - 2¹ = 206687051 is a prime.

Together with 206687051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206687051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103343526 + 103343527.

It is an arithmetic number, because the mean of its divisors is an integer number (103343527).

Almost surely, 2^206687053 is an apocalyptic number.

It is an amenable number.

206687053 is a deficient number, since it is larger than the sum of its proper divisors (1).

206687053 is an equidigital number, since it uses as much as digits as its factorization.

206687053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 206687053 is about 14376.6147962585. The cubic root of 206687053 is about 591.2499145841.

The spelling of 206687053 in words is "two hundred six million, six hundred eighty-seven thousand, fifty-three".