200534405 has 16 divisors (see below), whose sum is σ = 244083504. Its totient is φ = 158146560.

The previous prime is 200534357. The next prime is 200534429. The reversal of 200534405 is 504435002.

It can be written as a sum of positive squares in 8 ways, for example, as 7491169 + 193043236 = 2737^2 + 13894^2 .

It is not a de Polignac number, because 200534405 - 2²⁰ = 199485829 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 151145 + ... + 152465.

It is an arithmetic number, because the mean of its divisors is an integer number (15255219).

Almost surely, 2^200534405 is an apocalyptic number.

It is an amenable number.

200534405 is a deficient number, since it is larger than the sum of its proper divisors (43549099).

200534405 is a wasteful number, since it uses less digits than its factorization.

200534405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 200534405 is about 14161.0170891783. The cubic root of 200534405 is about 585.3239543040.

Adding to 200534405 its reverse (504435002), we get a palindrome (704969407).

The spelling of 200534405 in words is "two hundred million, five hundred thirty-four thousand, four hundred five".