204626897 has 2 divisors, whose sum is σ = 204626898. Its totient is φ = 204626896.

The previous prime is 204626857. The next prime is 204626923. The reversal of 204626897 is 798626402.

204626897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197233936 + 7392961 = 14044^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 204626897 - 2⁶ = 204626833 is a prime.

It is not a weakly prime, because it can be changed into another prime (204626857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102313448 + 102313449.

It is an arithmetic number, because the mean of its divisors is an integer number (102313449).

Almost surely, 2^204626897 is an apocalyptic number.

It is an amenable number.

204626897 is a deficient number, since it is larger than the sum of its proper divisors (1).

204626897 is an equidigital number, since it uses as much as digits as its factorization.

204626897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 204626897 is about 14304.7858075541. The cubic root of 204626897 is about 589.2789208602.

The spelling of 204626897 in words is "two hundred four million, six hundred twenty-six thousand, eight hundred ninety-seven".