206432533 has 2 divisors, whose sum is σ = 206432534. Its totient is φ = 206432532.

The previous prime is 206432459. The next prime is 206432543. The reversal of 206432533 is 335234602.

206432533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199996164 + 6436369 = 14142^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206432533 is a prime.

It is a super-2 number, since 2×206432533² = 85228781361592178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206432543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103216266 + 103216267.

It is an arithmetic number, because the mean of its divisors is an integer number (103216267).

Almost surely, 2^206432533 is an apocalyptic number.

It is an amenable number.

206432533 is a deficient number, since it is larger than the sum of its proper divisors (1).

206432533 is an equidigital number, since it uses as much as digits as its factorization.

206432533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 206432533 is about 14367.7601942683. The cubic root of 206432533 is about 591.0071212100.

The spelling of 206432533 in words is "two hundred six million, four hundred thirty-two thousand, five hundred thirty-three".