205475383 has 2 divisors, whose sum is σ = 205475384. Its totient is φ = 205475382.

The previous prime is 205475359. The next prime is 205475401. The reversal of 205475383 is 383574502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205475383 - 2¹⁷ = 205344311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205475323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102737691 + 102737692.

It is an arithmetic number, because the mean of its divisors is an integer number (102737692).

Almost surely, 2^205475383 is an apocalyptic number.

205475383 is a deficient number, since it is larger than the sum of its proper divisors (1).

205475383 is an equidigital number, since it uses as much as digits as its factorization.

205475383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 205475383 is about 14334.4125446424. The cubic root of 205475383 is about 590.0922799259.

The spelling of 205475383 in words is "two hundred five million, four hundred seventy-five thousand, three hundred eighty-three".