2000571 has 4 divisors (see below), whose sum is σ = 2667432. Its totient is φ = 1333712.

The previous prime is 2000539. The next prime is 2000573. The reversal of 2000571 is 1750002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2000571 - 2⁵ = 2000539 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000571.

It is not an unprimeable number, because it can be changed into a prime (2000573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333426 + ... + 333431.

It is an arithmetic number, because the mean of its divisors is an integer number (666858).

2^2000571 is an apocalyptic number.

2000571 is a deficient number, since it is larger than the sum of its proper divisors (666861).

2000571 is an equidigital number, since it uses as much as digits as its factorization.

2000571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666860.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 2000571 is about 1414.4154269521. The cubic root of 2000571 is about 126.0040940973.

Adding to 2000571 its reverse (1750002), we get a palindrome (3750573).

The spelling of 2000571 in words is "two million, five hundred seventy-one", and thus it is an aban number.