204144097 has 2 divisors, whose sum is σ = 204144098. Its totient is φ = 204144096.

The previous prime is 204144089. The next prime is 204144119. The reversal of 204144097 is 790441402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203946961 + 197136 = 14281^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 204144097 - 2³ = 204144089 is a prime.

It is not a weakly prime, because it can be changed into another prime (204144197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102072048 + 102072049.

It is an arithmetic number, because the mean of its divisors is an integer number (102072049).

Almost surely, 2^204144097 is an apocalyptic number.

It is an amenable number.

204144097 is a deficient number, since it is larger than the sum of its proper divisors (1).

204144097 is an equidigital number, since it uses as much as digits as its factorization.

204144097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 204144097 is about 14287.9003705933. The cubic root of 204144097 is about 588.8151044945.

Adding to 204144097 its reverse (790441402), we get a palindrome (994585499).

The spelling of 204144097 in words is "two hundred four million, one hundred forty-four thousand, ninety-seven".