206417053 has 2 divisors, whose sum is σ = 206417054. Its totient is φ = 206417052.

The previous prime is 206417039. The next prime is 206417069. The reversal of 206417053 is 350714602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205836409 + 580644 = 14347^2 + 762^2 .

It is a cyclic number.

It is not a de Polignac number, because 206417053 - 2⁹ = 206416541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206417023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103208526 + 103208527.

It is an arithmetic number, because the mean of its divisors is an integer number (103208527).

Almost surely, 2^206417053 is an apocalyptic number.

It is an amenable number.

206417053 is a deficient number, since it is larger than the sum of its proper divisors (1).

206417053 is an equidigital number, since it uses as much as digits as its factorization.

206417053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 206417053 is about 14367.2214780729. The cubic root of 206417053 is about 590.9923479912.

The spelling of 206417053 in words is "two hundred six million, four hundred seventeen thousand, fifty-three".