2089571 has 4 divisors (see below), whose sum is σ = 2279544. Its totient is φ = 1899600.

The previous prime is 2089567. The next prime is 2089583. The reversal of 2089571 is 1759802.

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 2089571 - 2² = 2089567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089511) 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, 94970 + ... + 94991.

It is an arithmetic number, because the mean of its divisors is an integer number (569886).

2^2089571 is an apocalyptic number.

2089571 is a deficient number, since it is larger than the sum of its proper divisors (189973).

2089571 is a wasteful number, since it uses less digits than its factorization.

2089571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189972.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2089571 is about 1445.5348491130. The cubic root of 2089571 is about 127.8455779368.

It can be divided in two parts, 208 and 9571, that added together give a palindrome (9779).

The spelling of 2089571 in words is "two million, eighty-nine thousand, five hundred seventy-one".