200043125 has 20 divisors (see below), whose sum is σ = 252528540. Its totient is φ = 158400000.

The previous prime is 200043083. The next prime is 200043133. The reversal of 200043125 is 521340002.

It can be written as a sum of positive squares in 10 ways, for example, as 63457156 + 136585969 = 7966^2 + 11687^2 .

It is not a de Polignac number, because 200043125 - 2¹⁸ = 199780981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61541 + ... + 64709.

It is an arithmetic number, because the mean of its divisors is an integer number (12626427).

Almost surely, 2^200043125 is an apocalyptic number.

200043125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200043125 is a deficient number, since it is larger than the sum of its proper divisors (52485415).

200043125 is an equidigital number, since it uses as much as digits as its factorization.

200043125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290 (or 3275 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 200043125 is about 14143.6602405459. The cubic root of 200043125 is about 584.8455773768.

Adding to 200043125 its reverse (521340002), we get a palindrome (721383127).

The spelling of 200043125 in words is "two hundred million, forty-three thousand, one hundred twenty-five".