200530541 has 4 divisors (see below), whose sum is σ = 211084800. Its totient is φ = 189976284.

The previous prime is 200530513. The next prime is 200530571. The reversal of 200530541 is 145035002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200530541 - 2¹⁰ = 200529517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200530501) 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 in 3 ways as a sum of consecutive naturals, for example, 5277101 + ... + 5277138.

It is an arithmetic number, because the mean of its divisors is an integer number (52771200).

Almost surely, 2^200530541 is an apocalyptic number.

It is an amenable number.

200530541 is a deficient number, since it is larger than the sum of its proper divisors (10554259).

200530541 is a wasteful number, since it uses less digits than its factorization.

200530541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554258.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 200530541 is about 14160.8806576427. The cubic root of 200530541 is about 585.3201948389.

Adding to 200530541 its reverse (145035002), we get a palindrome (345565543).

The spelling of 200530541 in words is "two hundred million, five hundred thirty thousand, five hundred forty-one".