204383613 has 16 divisors (see below), whose sum is σ = 311769216. Its totient is φ = 116667840.

The previous prime is 204383603. The next prime is 204383731. The reversal of 204383613 is 316383402.

It is not a de Polignac number, because 204383613 - 2¹² = 204379517 is a prime.

It is a super-2 number, since 2×204383613² = 83545322525867538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204383603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17695 + ... + 26867.

It is an arithmetic number, because the mean of its divisors is an integer number (19485576).

Almost surely, 2^204383613 is an apocalyptic number.

It is an amenable number.

204383613 is a deficient number, since it is larger than the sum of its proper divisors (107385603).

204383613 is a wasteful number, since it uses less digits than its factorization.

204383613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 204383613 is about 14296.2796908846. The cubic root of 204383613 is about 589.0452940533.

The spelling of 204383613 in words is "two hundred four million, three hundred eighty-three thousand, six hundred thirteen".