205013119 has 2 divisors, whose sum is σ = 205013120. Its totient is φ = 205013118.

The previous prime is 205013113. The next prime is 205013143. The reversal of 205013119 is 911310502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205013119 - 2³ = 205013111 is a prime.

It is a super-2 number, since 2×205013119² = 84060757924216322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205013119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205013111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102506559 + 102506560.

It is an arithmetic number, because the mean of its divisors is an integer number (102506560).

Almost surely, 2^205013119 is an apocalyptic number.

205013119 is a deficient number, since it is larger than the sum of its proper divisors (1).

205013119 is an equidigital number, since it uses as much as digits as its factorization.

205013119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 205013119 is about 14318.2791912995. The cubic root of 205013119 is about 589.6494316895.

The spelling of 205013119 in words is "two hundred five million, thirteen thousand, one hundred nineteen".