205546053 has 4 divisors (see below), whose sum is σ = 274061408. Its totient is φ = 137030700.

The previous prime is 205546051. The next prime is 205546067. The reversal of 205546053 is 350645502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 205546053 - 2¹ = 205546051 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 205546053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205546051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34257673 + ... + 34257678.

It is an arithmetic number, because the mean of its divisors is an integer number (68515352).

Almost surely, 2^205546053 is an apocalyptic number.

It is an amenable number.

205546053 is a deficient number, since it is larger than the sum of its proper divisors (68515355).

205546053 is an equidigital number, since it uses as much as digits as its factorization.

205546053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68515354.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 205546053 is about 14336.8773796807. The cubic root of 205546053 is about 590.1599231327.

The spelling of 205546053 in words is "two hundred five million, five hundred forty-six thousand, fifty-three".