206953 has 2 divisors, whose sum is σ = 206954. Its totient is φ = 206952.

The previous prime is 206951. The next prime is 206993. The reversal of 206953 is 359602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 85849 = 348^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 206953 - 2¹ = 206951 is a prime.

Together with 206951, 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 (206951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103476 + 103477.

It is an arithmetic number, because the mean of its divisors is an integer number (103477).

2²⁰⁶⁹⁵³ is an apocalyptic number.

It is an amenable number.

206953 is a deficient number, since it is larger than the sum of its proper divisors (1).

206953 is an equidigital number, since it uses as much as digits as its factorization.

206953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 206953 is about 454.9208722404. The cubic root of 206953 is about 59.1503395625.

The spelling of 206953 in words is "two hundred six thousand, nine hundred fifty-three".