204012097 has 2 divisors, whose sum is σ = 204012098. Its totient is φ = 204012096.

The previous prime is 204012089. The next prime is 204012103. The reversal of 204012097 is 790210402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147476736 + 56535361 = 12144^2 + 7519^2 .

It is a cyclic number.

It is not a de Polignac number, because 204012097 - 2³ = 204012089 is a prime.

It is not a weakly prime, because it can be changed into another prime (204012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102006048 + 102006049.

It is an arithmetic number, because the mean of its divisors is an integer number (102006049).

Almost surely, 2^204012097 is an apocalyptic number.

It is an amenable number.

204012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

204012097 is an equidigital number, since it uses as much as digits as its factorization.

204012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 204012097 is about 14283.2803305123. The cubic root of 204012097 is about 588.6881674387.

Adding to 204012097 its reverse (790210402), we get a palindrome (994222499).

The spelling of 204012097 in words is "two hundred four million, twelve thousand, ninety-seven".