2179271 has 2 divisors, whose sum is σ = 2179272. Its totient is φ = 2179270.

The previous prime is 2179253. The next prime is 2179279. The reversal of 2179271 is 1729712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2179279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089635 + 1089636.

It is an arithmetic number, because the mean of its divisors is an integer number (1089636).

2^2179271 is an apocalyptic number.

2179271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179271 is an equidigital number, since it uses as much as digits as its factorization.

2179271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 29.

The square root of 2179271 is about 1476.2354148306. The cubic root of 2179271 is about 129.6493707330.

The spelling of 2179271 in words is "two million, one hundred seventy-nine thousand, two hundred seventy-one".