204552377 has 2 divisors, whose sum is σ = 204552378. Its totient is φ = 204552376.

The previous prime is 204552367. The next prime is 204552379. The reversal of 204552377 is 773255402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190743721 + 13808656 = 13811^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 204552377 - 2¹⁰ = 204551353 is a prime.

Together with 204552379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204552379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102276188 + 102276189.

It is an arithmetic number, because the mean of its divisors is an integer number (102276189).

Almost surely, 2^204552377 is an apocalyptic number.

It is an amenable number.

204552377 is a deficient number, since it is larger than the sum of its proper divisors (1).

204552377 is an equidigital number, since it uses as much as digits as its factorization.

204552377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 204552377 is about 14302.1808476889. The cubic root of 204552377 is about 589.2073786248.

The spelling of 204552377 in words is "two hundred four million, five hundred fifty-two thousand, three hundred seventy-seven".