204051097 has 2 divisors, whose sum is σ = 204051098. Its totient is φ = 204051096.

The previous prime is 204051073. The next prime is 204051109. The reversal of 204051097 is 790150402.

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., 197796096 + 6255001 = 14064^2 + 2501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204051097 is a prime.

It is not a weakly prime, because it can be changed into another prime (204051797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102025548 + 102025549.

It is an arithmetic number, because the mean of its divisors is an integer number (102025549).

Almost surely, 2^204051097 is an apocalyptic number.

It is an amenable number.

204051097 is a deficient number, since it is larger than the sum of its proper divisors (1).

204051097 is an equidigital number, since it uses as much as digits as its factorization.

204051097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 204051097 is about 14284.6454978764. The cubic root of 204051097 is about 588.7256772663.

The spelling of 204051097 in words is "two hundred four million, fifty-one thousand, ninety-seven".