200561065 has 8 divisors (see below), whose sum is σ = 240980040. Its totient is φ = 160244352.

The previous prime is 200561047. The next prime is 200561099. The reversal of 200561065 is 560165002.

It can be written as a sum of positive squares in 4 ways, for example, as 281961 + 200279104 = 531^2 + 14152^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200561065 - 2⁷ = 200560937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21180 + ... + 29149.

It is an arithmetic number, because the mean of its divisors is an integer number (30122505).

Almost surely, 2^200561065 is an apocalyptic number.

It is an amenable number.

200561065 is a deficient number, since it is larger than the sum of its proper divisors (40418975).

200561065 is an equidigital number, since it uses as much as digits as its factorization.

200561065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51131.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 200561065 is about 14161.9583744622. The cubic root of 200561065 is about 585.3498917405.

The spelling of 200561065 in words is "two hundred million, five hundred sixty-one thousand, sixty-five".