204381413 has 2 divisors, whose sum is σ = 204381414. Its totient is φ = 204381412.

The previous prime is 204381407. The next prime is 204381467. The reversal of 204381413 is 314183402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203262049 + 1119364 = 14257^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 204381413 - 2⁶ = 204381349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204381313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102190706 + 102190707.

It is an arithmetic number, because the mean of its divisors is an integer number (102190707).

Almost surely, 2^204381413 is an apocalyptic number.

It is an amenable number.

204381413 is a deficient number, since it is larger than the sum of its proper divisors (1).

204381413 is an equidigital number, since it uses as much as digits as its factorization.

204381413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 204381413 is about 14296.2027475830. The cubic root of 204381413 is about 589.0431805370.

The spelling of 204381413 in words is "two hundred four million, three hundred eighty-one thousand, four hundred thirteen".