205085053 has 2 divisors, whose sum is σ = 205085054. Its totient is φ = 205085052.

The previous prime is 205085011. The next prime is 205085113. The reversal of 205085053 is 350580502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134977924 + 70107129 = 11618^2 + 8373^2 .

It is a cyclic number.

It is not a de Polignac number, because 205085053 - 2⁹ = 205084541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205088053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102542526 + 102542527.

It is an arithmetic number, because the mean of its divisors is an integer number (102542527).

Almost surely, 2^205085053 is an apocalyptic number.

It is an amenable number.

205085053 is a deficient number, since it is larger than the sum of its proper divisors (1).

205085053 is an equidigital number, since it uses as much as digits as its factorization.

205085053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 205085053 is about 14320.7909348611. The cubic root of 205085053 is about 589.7183880609.

The spelling of 205085053 in words is "two hundred five million, eighty-five thousand, fifty-three".