200401085 has 4 divisors (see below), whose sum is σ = 240481308. Its totient is φ = 160320864.

The previous prime is 200401063. The next prime is 200401099. The reversal of 200401085 is 580104002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20921476 + 179479609 = 4574^2 + 13397^2 .

It is a cyclic number.

It is not a de Polignac number, because 200401085 - 2⁶ = 200401021 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 3 ways as a sum of consecutive naturals, for example, 20040104 + ... + 20040113.

It is an arithmetic number, because the mean of its divisors is an integer number (60120327).

Almost surely, 2^200401085 is an apocalyptic number.

It is an amenable number.

200401085 is a deficient number, since it is larger than the sum of its proper divisors (40080223).

200401085 is an equidigital number, since it uses as much as digits as its factorization.

200401085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40080222.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 200401085 is about 14156.3090175370. The cubic root of 200401085 is about 585.1942131602.

Adding to 200401085 its reverse (580104002), we get a palindrome (780505087).

The spelling of 200401085 in words is "two hundred million, four hundred one thousand, eighty-five".