200540569 has 2 divisors, whose sum is σ = 200540570. Its totient is φ = 200540568.

The previous prime is 200540531. The next prime is 200540621. The reversal of 200540569 is 965045002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 34969 = 14160^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 200540569 - 2²¹ = 198443417 is a prime.

It is a super-2 number, since 2×200540569² = 80433039629687522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200540569.

It is not a weakly prime, because it can be changed into another prime (200540069) 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, 100270284 + 100270285.

It is an arithmetic number, because the mean of its divisors is an integer number (100270285).

Almost surely, 2^200540569 is an apocalyptic number.

It is an amenable number.

200540569 is a deficient number, since it is larger than the sum of its proper divisors (1).

200540569 is an equidigital number, since it uses as much as digits as its factorization.

200540569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 200540569 is about 14161.2347272404. The cubic root of 200540569 is about 585.3299514460.

The spelling of 200540569 in words is "two hundred million, five hundred forty thousand, five hundred sixty-nine".