204899293 has 2 divisors, whose sum is σ = 204899294. Its totient is φ = 204899292.

The previous prime is 204899269. The next prime is 204899309. The reversal of 204899293 is 392998402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204432804 + 466489 = 14298^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 204899293 - 2²⁵ = 171344861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204899213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102449646 + 102449647.

It is an arithmetic number, because the mean of its divisors is an integer number (102449647).

Almost surely, 2^204899293 is an apocalyptic number.

It is an amenable number.

204899293 is a deficient number, since it is larger than the sum of its proper divisors (1).

204899293 is an equidigital number, since it uses as much as digits as its factorization.

204899293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 204899293 is about 14314.3037902652. The cubic root of 204899293 is about 589.5402844280.

The spelling of 204899293 in words is "two hundred four million, eight hundred ninety-nine thousand, two hundred ninety-three".