206455043 has 2 divisors, whose sum is σ = 206455044. Its totient is φ = 206455042.

The previous prime is 206455033. The next prime is 206455057. The reversal of 206455043 is 340554602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206455043 - 2⁶ = 206454979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206454997 and 206455015.

It is not a weakly prime, because it can be changed into another prime (206455003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103227521 + 103227522.

It is an arithmetic number, because the mean of its divisors is an integer number (103227522).

Almost surely, 2^206455043 is an apocalyptic number.

206455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

206455043 is an equidigital number, since it uses as much as digits as its factorization.

206455043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 206455043 is about 14368.5435239623. The cubic root of 206455043 is about 591.0286021375.

The spelling of 206455043 in words is "two hundred six million, four hundred fifty-five thousand, forty-three".