200530453 has 6 divisors (see below), whose sum is σ = 213020546. Its totient is φ = 188734272.

The previous prime is 200530409. The next prime is 200530459. The reversal of 200530453 is 354035002.

It can be written as a sum of positive squares in 3 ways, for example, as 51739249 + 148791204 = 7193^2 + 12198^2 .

It is not a de Polignac number, because 200530453 - 2¹³ = 200522261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200530459) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 346650 + ... + 347227.

Almost surely, 2^200530453 is an apocalyptic number.

It is an amenable number.

200530453 is a deficient number, since it is larger than the sum of its proper divisors (12490093).

200530453 is an equidigital number, since it uses as much as digits as its factorization.

200530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693911 (or 693894 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 200530453 is about 14160.8775504910. The cubic root of 200530453 is about 585.3201092191.

Adding to 200530453 its reverse (354035002), we get a palindrome (554565455).

The spelling of 200530453 in words is "two hundred million, five hundred thirty thousand, four hundred fifty-three".