200561171 has 4 divisors (see below), whose sum is σ = 203100000. Its totient is φ = 198022344.

The previous prime is 200561167. The next prime is 200561183. The reversal of 200561171 is 171165002.

200561171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171165002 = 2 ⋅85582501.

It is a cyclic number.

It is not a de Polignac number, because 200561171 - 2² = 200561167 is a prime.

It is a super-3 number, since 3×200561171³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200561191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269296 + ... + 1269453.

It is an arithmetic number, because the mean of its divisors is an integer number (50775000).

Almost surely, 2^200561171 is an apocalyptic number.

200561171 is a deficient number, since it is larger than the sum of its proper divisors (2538829).

200561171 is an equidigital number, since it uses as much as digits as its factorization.

200561171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538828.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 200561171 is about 14161.9621168820. The cubic root of 200561171 is about 585.3499948630.

The spelling of 200561171 in words is "two hundred million, five hundred sixty-one thousand, one hundred seventy-one".