2171341 has 2 divisors, whose sum is σ = 2171342. Its totient is φ = 2171340.

The previous prime is 2171329. The next prime is 2171347. The reversal of 2171341 is 1431712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019241 + 152100 = 1421^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171341 - 2⁹ = 2170829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085670 + 1085671.

It is an arithmetic number, because the mean of its divisors is an integer number (1085671).

2^2171341 is an apocalyptic number.

It is an amenable number.

2171341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171341 is an equidigital number, since it uses as much as digits as its factorization.

2171341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 2171341 is about 1473.5470810259. The cubic root of 2171341 is about 129.4919221966.

The spelling of 2171341 in words is "two million, one hundred seventy-one thousand, three hundred forty-one".