200530542 has 16 divisors (see below), whose sum is σ = 401433552. Its totient is φ = 66781440.

The previous prime is 200530513. The next prime is 200530571. The reversal of 200530542 is 245035002.

It is an interprime number because it is at equal distance from previous prime (200530513) and next prime (200530571).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8259 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (25089597).

Almost surely, 2^200530542 is an apocalyptic number.

200530542 is an abundant number, since it is smaller than the sum of its proper divisors (200903010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200530542 is a wasteful number, since it uses less digits than its factorization.

200530542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31043.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 200530542 is about 14160.8806929513. The cubic root of 200530542 is about 585.3201958119.

Adding to 200530542 its reverse (245035002), we get a palindrome (445565544).

The spelling of 200530542 in words is "two hundred million, five hundred thirty thousand, five hundred forty-two".