205053011 has 2 divisors, whose sum is σ = 205053012. Its totient is φ = 205053010.

The previous prime is 205052999. The next prime is 205053019. The reversal of 205053011 is 110350502.

205053011 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205053011 is a prime.

It is a super-2 number, since 2×205053011² = 84093474640332242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205053019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102526505 + 102526506.

It is an arithmetic number, because the mean of its divisors is an integer number (102526506).

Almost surely, 2^205053011 is an apocalyptic number.

205053011 is a deficient number, since it is larger than the sum of its proper divisors (1).

205053011 is an equidigital number, since it uses as much as digits as its factorization.

205053011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 205053011 is about 14319.6721680351. The cubic root of 205053011 is about 589.6876743960.

The spelling of 205053011 in words is "two hundred five million, fifty-three thousand, eleven".