204053653 has 4 divisors (see below), whose sum is σ = 204082240. Its totient is φ = 204025068.

The previous prime is 204053651. The next prime is 204053693. The reversal of 204053653 is 356350402.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 204053653 - 2¹ = 204053651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204053651) 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, 6418 + ... + 21196.

It is an arithmetic number, because the mean of its divisors is an integer number (51020560).

Almost surely, 2^204053653 is an apocalyptic number.

It is an amenable number.

204053653 is a deficient number, since it is larger than the sum of its proper divisors (28587).

204053653 is a wasteful number, since it uses less digits than its factorization.

204053653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28586.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 204053653 is about 14284.7349642897. The cubic root of 204053653 is about 588.7281354358.

The spelling of 204053653 in words is "two hundred four million, fifty-three thousand, six hundred fifty-three".