2643341 has 2 divisors, whose sum is σ = 2643342. Its totient is φ = 2643340.

The previous prime is 2643331. The next prime is 2643343. The reversal of 2643341 is 1433462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2019241 + 624100 = 1421^2 + 790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2643341 is a prime.

It is a Sophie Germain prime.

Together with 2643343, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4³ + 3⁵ + 3¹³ + 4¹⁰ + 1 .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321670 + 1321671.

It is an arithmetic number, because the mean of its divisors is an integer number (1321671).

2^2643341 is an apocalyptic number.

It is an amenable number.

2643341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643341 is an equidigital number, since it uses as much as digits as its factorization.

2643341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 2643341 is about 1625.8354775315. The cubic root of 2643341 is about 138.2667423564.

The spelling of 2643341 in words is "two million, six hundred forty-three thousand, three hundred forty-one".