204053693 has 2 divisors, whose sum is σ = 204053694. Its totient is φ = 204053692.

The previous prime is 204053651. The next prime is 204053701. The reversal of 204053693 is 396350402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107267449 + 96786244 = 10357^2 + 9838^2 .

It is a cyclic number.

It is not a de Polignac number, because 204053693 - 2¹⁶ = 203988157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_11290973 and since 204053693 and 11290973 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204353693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102026846 + 102026847.

It is an arithmetic number, because the mean of its divisors is an integer number (102026847).

Almost surely, 2^204053693 is an apocalyptic number.

It is an amenable number.

204053693 is a deficient number, since it is larger than the sum of its proper divisors (1).

204053693 is an equidigital number, since it uses as much as digits as its factorization.

204053693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 204053693 is about 14284.7363643856. The cubic root of 204053693 is about 588.7281739046.

The spelling of 204053693 in words is "two hundred four million, fifty-three thousand, six hundred ninety-three".