2173441 has 4 divisors (see below), whose sum is σ = 2243584. Its totient is φ = 2103300.

The previous prime is 2173411. The next prime is 2173447. The reversal of 2173441 is 1443712.

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 2173441 - 2¹³ = 2165249 is a prime.

It is an Ulam number.

It is a Duffinian number.

2173441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2173447) 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, 35025 + ... + 35086.

It is an arithmetic number, because the mean of its divisors is an integer number (560896).

2^2173441 is an apocalyptic number.

It is an amenable number.

2173441 is a deficient number, since it is larger than the sum of its proper divisors (70143).

2173441 is an equidigital number, since it uses as much as digits as its factorization.

2173441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70142.

The product of its digits is 672, while the sum is 22.

The square root of 2173441 is about 1474.2594751264. The cubic root of 2173441 is about 129.5336545358.

The spelling of 2173441 in words is "two million, one hundred seventy-three thousand, four hundred forty-one".