205339051 has 2 divisors, whose sum is σ = 205339052. Its totient is φ = 205339050.

The previous prime is 205339031. The next prime is 205339067. The reversal of 205339051 is 150933502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205339051 - 2⁵ = 205339019 is a prime.

It is not a weakly prime, because it can be changed into another prime (205339031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102669525 + 102669526.

It is an arithmetic number, because the mean of its divisors is an integer number (102669526).

Almost surely, 2^205339051 is an apocalyptic number.

205339051 is a deficient number, since it is larger than the sum of its proper divisors (1).

205339051 is an equidigital number, since it uses as much as digits as its factorization.

205339051 is an evil number, because the sum of its binary digits is even.

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

The square root of 205339051 is about 14329.6563461934. The cubic root of 205339051 is about 589.9617431864.

It can be divided in two parts, 20533 and 9051, that added together give a square (29584 = 172²).

The spelling of 205339051 in words is "two hundred five million, three hundred thirty-nine thousand, fifty-one".