205055453 has 2 divisors, whose sum is σ = 205055454. Its totient is φ = 205055452.

The previous prime is 205055399. The next prime is 205055471. The reversal of 205055453 is 354550502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166590649 + 38464804 = 12907^2 + 6202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205055453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205055153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102527726 + 102527727.

It is an arithmetic number, because the mean of its divisors is an integer number (102527727).

Almost surely, 2^205055453 is an apocalyptic number.

It is an amenable number.

205055453 is a deficient number, since it is larger than the sum of its proper divisors (1).

205055453 is an equidigital number, since it uses as much as digits as its factorization.

205055453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 205055453 is about 14319.7574350964. The cubic root of 205055453 is about 589.6900152730.

The spelling of 205055453 in words is "two hundred five million, fifty-five thousand, four hundred fifty-three".