2171041 has 4 divisors (see below), whose sum is σ = 2186800. Its totient is φ = 2155284.

The previous prime is 2171021. The next prime is 2171077. The reversal of 2171041 is 1401712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2171041 - 2⁹ = 2170529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2171011) 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, 7671 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (546700).

2^2171041 is an apocalyptic number.

It is an amenable number.

2171041 is a deficient number, since it is larger than the sum of its proper divisors (15759).

2171041 is a wasteful number, since it uses less digits than its factorization.

2171041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15758.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 2171041 is about 1473.4452823230. The cubic root of 2171041 is about 129.4859582376.

Adding to 2171041 its reverse (1401712), we get a palindrome (3572753).

The spelling of 2171041 in words is "two million, one hundred seventy-one thousand, forty-one".