545200129 has 2 divisors, whose sum is σ = 545200130. Its totient is φ = 545200128.

The previous prime is 545200111. The next prime is 545200151. The reversal of 545200129 is 921002545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540469504 + 4730625 = 23248^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 545200129 - 2¹⁹ = 544675841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545200097 and 545200106.

It is not a weakly prime, because it can be changed into another prime (545200189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272600064 + 272600065.

It is an arithmetic number, because the mean of its divisors is an integer number (272600065).

Almost surely, 2^545200129 is an apocalyptic number.

It is an amenable number.

545200129 is a deficient number, since it is larger than the sum of its proper divisors (1).

545200129 is an equidigital number, since it uses as much as digits as its factorization.

545200129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 545200129 is about 23349.5209586835. The cubic root of 545200129 is about 816.9308873969.

The spelling of 545200129 in words is "five hundred forty-five million, two hundred thousand, one hundred twenty-nine".