2117441 has 2 divisors, whose sum is σ = 2117442. Its totient is φ = 2117440.

The previous prime is 2117431. The next prime is 2117447. The reversal of 2117441 is 1447112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 863041 = 1120^2 + 929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2117441 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058720 + 1058721.

It is an arithmetic number, because the mean of its divisors is an integer number (1058721).

2^2117441 is an apocalyptic number.

It is an amenable number.

2117441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117441 is an equidigital number, since it uses as much as digits as its factorization.

2117441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 20.

The square root of 2117441 is about 1455.1429483044. The cubic root of 2117441 is about 128.4114567146.

The spelling of 2117441 in words is "two million, one hundred seventeen thousand, four hundred forty-one".