204316252013 has 2 divisors, whose sum is σ = 204316252014. Its totient is φ = 204316252012.

The previous prime is 204316251973. The next prime is 204316252051. The reversal of 204316252013 is 310252613402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191986814569 + 12329437444 = 438163^2 + 111038^2 .

It is a cyclic number.

It is not a de Polignac number, because 204316252013 - 2³⁰ = 203242510189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204316212013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102158126006 + 102158126007.

It is an arithmetic number, because the mean of its divisors is an integer number (102158126007).

Almost surely, 2^204316252013 is an apocalyptic number.

It is an amenable number.

204316252013 is a deficient number, since it is larger than the sum of its proper divisors (1).

204316252013 is an equidigital number, since it uses as much as digits as its factorization.

204316252013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 204316252013 its reverse (310252613402), we get a palindrome (514568865415).

The spelling of 204316252013 in words is "two hundred four billion, three hundred sixteen million, two hundred fifty-two thousand, thirteen".