204001313 has 4 divisors (see below), whose sum is σ = 209514900. Its totient is φ = 198487728.

The previous prime is 204001267. The next prime is 204001321. The reversal of 204001313 is 313100402.

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 101445184 + 102556129 = 10072^2 + 10127^2 .

It is a cyclic number.

It is not a de Polignac number, because 204001313 - 2⁶ = 204001249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204001013) 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, 2756738 + ... + 2756811.

It is an arithmetic number, because the mean of its divisors is an integer number (52378725).

Almost surely, 2^204001313 is an apocalyptic number.

It is an amenable number.

204001313 is a deficient number, since it is larger than the sum of its proper divisors (5513587).

204001313 is an equidigital number, since it uses as much as digits as its factorization.

204001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513586.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 204001313 is about 14282.9028212055. The cubic root of 204001313 is about 588.6777946469.

Adding to 204001313 its reverse (313100402), we get a palindrome (517101715).

The spelling of 204001313 in words is "two hundred four million, one thousand, three hundred thirteen".