205013051 has 2 divisors, whose sum is σ = 205013052. Its totient is φ = 205013050.

The previous prime is 205013027. The next prime is 205013069. The reversal of 205013051 is 150310502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205013051 is a prime.

It is not a weakly prime, because it can be changed into another prime (205013351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102506525 + 102506526.

It is an arithmetic number, because the mean of its divisors is an integer number (102506526).

Almost surely, 2^205013051 is an apocalyptic number.

205013051 is a deficient number, since it is larger than the sum of its proper divisors (1).

205013051 is an equidigital number, since it uses as much as digits as its factorization.

205013051 is an odious number, because the sum of its binary digits is odd.

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

The square root of 205013051 is about 14318.2768167123. The cubic root of 205013051 is about 589.6493664967.

Adding to 205013051 its reverse (150310502), we get a palindrome (355323553).

The spelling of 205013051 in words is "two hundred five million, thirteen thousand, fifty-one".