200545129 has 2 divisors, whose sum is σ = 200545130. Its totient is φ = 200545128.

The previous prime is 200545117. The next prime is 200545153. The reversal of 200545129 is 921545002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170041600 + 30503529 = 13040^2 + 5523^2 .

It is a cyclic number.

It is not a de Polignac number, because 200545129 - 2⁵ = 200545097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200545097 and 200545106.

It is not a weakly prime, because it can be changed into another prime (200545159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100272564 + 100272565.

It is an arithmetic number, because the mean of its divisors is an integer number (100272565).

Almost surely, 2^200545129 is an apocalyptic number.

It is an amenable number.

200545129 is a deficient number, since it is larger than the sum of its proper divisors (1).

200545129 is an equidigital number, since it uses as much as digits as its factorization.

200545129 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 200545129 is about 14161.3957292352. The cubic root of 200545129 is about 585.3343879288.

The spelling of 200545129 in words is "two hundred million, five hundred forty-five thousand, one hundred twenty-nine".