200559561 has 8 divisors (see below), whose sum is σ = 267516480. Its totient is φ = 133654512.

The previous prime is 200559551. The next prime is 200559581. The reversal of 200559561 is 165955002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200559561 - 2⁵ = 200559529 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200559551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806 + ... + 20223.

It is an arithmetic number, because the mean of its divisors is an integer number (33439560).

Almost surely, 2^200559561 is an apocalyptic number.

It is an amenable number.

200559561 is a deficient number, since it is larger than the sum of its proper divisors (66956919).

200559561 is a wasteful number, since it uses less digits than its factorization.

200559561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25935.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 200559561 is about 14161.9052743619. The cubic root of 200559561 is about 585.3484285644.

The spelling of 200559561 in words is "two hundred million, five hundred fifty-nine thousand, five hundred sixty-one".