206361433 has 2 divisors, whose sum is σ = 206361434. Its totient is φ = 206361432.

The previous prime is 206361371. The next prime is 206361439. The reversal of 206361433 is 334163602.

206361433 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., 192321424 + 14040009 = 13868^2 + 3747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206361433 is a prime.

It is not a weakly prime, because it can be changed into another prime (206361439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103180716 + 103180717.

It is an arithmetic number, because the mean of its divisors is an integer number (103180717).

Almost surely, 2^206361433 is an apocalyptic number.

It is an amenable number.

206361433 is a deficient number, since it is larger than the sum of its proper divisors (1).

206361433 is an equidigital number, since it uses as much as digits as its factorization.

206361433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 206361433 is about 14365.2856915552. The cubic root of 206361433 is about 590.9392613772.

The spelling of 206361433 in words is "two hundred six million, three hundred sixty-one thousand, four hundred thirty-three".