204252251447 has 2 divisors, whose sum is σ = 204252251448. Its totient is φ = 204252251446.

The previous prime is 204252251347. The next prime is 204252251449. The reversal of 204252251447 is 744152252402.

204252251447 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 is a cyclic number.

It is not a de Polignac number, because 204252251447 - 2¹⁴ = 204252235063 is a prime.

Together with 204252251449, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204252251447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204252251449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102126125723 + 102126125724.

It is an arithmetic number, because the mean of its divisors is an integer number (102126125724).

Almost surely, 2^204252251447 is an apocalyptic number.

204252251447 is a deficient number, since it is larger than the sum of its proper divisors (1).

204252251447 is an equidigital number, since it uses as much as digits as its factorization.

204252251447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 38.

The spelling of 204252251447 in words is "two hundred four billion, two hundred fifty-two million, two hundred fifty-one thousand, four hundred forty-seven".