204053593 has 4 divisors (see below), whose sum is σ = 206346420. Its totient is φ = 201760768.

The previous prime is 204053587. The next prime is 204053611. The reversal of 204053593 is 395350402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32626944 + 171426649 = 5712^2 + 13093^2 .

It is a cyclic number.

It is not a de Polignac number, because 204053593 - 2⁵ = 204053561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204053573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146280 + ... + 1146457.

It is an arithmetic number, because the mean of its divisors is an integer number (51586605).

Almost surely, 2^204053593 is an apocalyptic number.

It is an amenable number.

204053593 is a deficient number, since it is larger than the sum of its proper divisors (2292827).

204053593 is an equidigital number, since it uses as much as digits as its factorization.

204053593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292826.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 204053593 is about 14284.7328641456. The cubic root of 204053593 is about 588.7280777325.

The spelling of 204053593 in words is "two hundred four million, fifty-three thousand, five hundred ninety-three".