2171049 has 8 divisors (see below), whose sum is σ = 2973120. Its totient is φ = 1408176.

The previous prime is 2171021. The next prime is 2171077. The reversal of 2171049 is 9401712.

It is an interprime number because it is at equal distance from previous prime (2171021) and next prime (2171077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2171049 - 2⁵ = 2171017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2171089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9669 + ... + 9890.

It is an arithmetic number, because the mean of its divisors is an integer number (371640).

2^2171049 is an apocalyptic number.

It is an amenable number.

2171049 is a deficient number, since it is larger than the sum of its proper divisors (802071).

2171049 is a wasteful number, since it uses less digits than its factorization.

2171049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19599.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2171049 is about 1473.4479970464. The cubic root of 2171049 is about 129.4861172836.

The spelling of 2171049 in words is "two million, one hundred seventy-one thousand, forty-nine".