205015933 has 2 divisors, whose sum is σ = 205015934. Its totient is φ = 205015932.

The previous prime is 205015931. The next prime is 205016017. The reversal of 205015933 is 339510502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147816964 + 57198969 = 12158^2 + 7563^2 .

It is a cyclic number.

It is not a de Polignac number, because 205015933 - 2¹ = 205015931 is a prime.

Together with 205015931, it forms a pair of twin primes.

It is equal to p_11341297 and since 205015933 and 11341297 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205015931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102507966 + 102507967.

It is an arithmetic number, because the mean of its divisors is an integer number (102507967).

Almost surely, 2^205015933 is an apocalyptic number.

It is an amenable number.

205015933 is a deficient number, since it is larger than the sum of its proper divisors (1).

205015933 is an equidigital number, since it uses as much as digits as its factorization.

205015933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 205015933 is about 14318.3774569607. The cubic root of 205015933 is about 589.6521295102.

The spelling of 205015933 in words is "two hundred five million, fifteen thousand, nine hundred thirty-three".