204029401 has 2 divisors, whose sum is σ = 204029402. Its totient is φ = 204029400.

The previous prime is 204029387. The next prime is 204029417. The reversal of 204029401 is 104920402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111408025 + 92621376 = 10555^2 + 9624^2 .

It is a cyclic number.

It is not a de Polignac number, because 204029401 - 2⁵ = 204029369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204029431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102014700 + 102014701.

It is an arithmetic number, because the mean of its divisors is an integer number (102014701).

Almost surely, 2^204029401 is an apocalyptic number.

It is an amenable number.

204029401 is a deficient number, since it is larger than the sum of its proper divisors (1).

204029401 is an equidigital number, since it uses as much as digits as its factorization.

204029401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 204029401 is about 14283.8860608729. The cubic root of 204029401 is about 588.7048108506.

Adding to 204029401 its reverse (104920402), we get a palindrome (308949803).

The spelling of 204029401 in words is "two hundred four million, twenty-nine thousand, four hundred one".