204053613 has 4 divisors (see below), whose sum is σ = 272071488. Its totient is φ = 136035740.

The previous prime is 204053611. The next prime is 204053617. The reversal of 204053613 is 316350402.

It is a happy number.

204053613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 204053613 - 2¹ = 204053611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204053611) 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, 34008933 + ... + 34008938.

It is an arithmetic number, because the mean of its divisors is an integer number (68017872).

Almost surely, 2^204053613 is an apocalyptic number.

It is an amenable number.

204053613 is a deficient number, since it is larger than the sum of its proper divisors (68017875).

204053613 is an equidigital number, since it uses as much as digits as its factorization.

204053613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68017874.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 204053613 is about 14284.7335641936. The cubic root of 204053613 is about 588.7280969669.

The spelling of 204053613 in words is "two hundred four million, fifty-three thousand, six hundred thirteen".