205022453 has 2 divisors, whose sum is σ = 205022454. Its totient is φ = 205022452.

The previous prime is 205022449. The next prime is 205022491. The reversal of 205022453 is 354220502.

205022453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144913444 + 60109009 = 12038^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 205022453 - 2² = 205022449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102511226 + 102511227.

It is an arithmetic number, because the mean of its divisors is an integer number (102511227).

Almost surely, 2^205022453 is an apocalyptic number.

It is an amenable number.

205022453 is a deficient number, since it is larger than the sum of its proper divisors (1).

205022453 is an equidigital number, since it uses as much as digits as its factorization.

205022453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 205022453 is about 14318.6051345793. The cubic root of 205022453 is about 589.6583802295.

Adding to 205022453 its reverse (354220502), we get a palindrome (559242955).

The spelling of 205022453 in words is "two hundred five million, twenty-two thousand, four hundred fifty-three".