200530525 has 24 divisors (see below), whose sum is σ = 270588584. Its totient is φ = 146534400.

The previous prime is 200530513. The next prime is 200530571. The reversal of 200530525 is 525035002.

It can be written as a sum of positive squares in 12 ways, for example, as 120714169 + 79816356 = 10987^2 + 8934^2 .

It is not a de Polignac number, because 200530525 - 2⁵ = 200530493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200530496 and 200530505.

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 23 ways as a sum of consecutive naturals, for example, 28345 + ... + 34705.

Almost surely, 2^200530525 is an apocalyptic number.

200530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200530525 is a deficient number, since it is larger than the sum of its proper divisors (70058059).

200530525 is a wasteful number, since it uses less digits than its factorization.

200530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 200530525 is about 14160.8800927061. The cubic root of 200530525 is about 585.3201792717.

Adding to 200530525 its reverse (525035002), we get a palindrome (725565527).

The spelling of 200530525 in words is "two hundred million, five hundred thirty thousand, five hundred twenty-five".