2801443 has 2 divisors, whose sum is σ = 2801444. Its totient is φ = 2801442.

The previous prime is 2801441. The next prime is 2801459. The reversal of 2801443 is 3441082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2801443 - 2¹ = 2801441 is a prime.

Together with 2801441, it forms a pair of twin primes.

2801443 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2801441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400721 + 1400722.

It is an arithmetic number, because the mean of its divisors is an integer number (1400722).

2^2801443 is an apocalyptic number.

2801443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801443 is an equidigital number, since it uses as much as digits as its factorization.

2801443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2801443 is about 1673.7511762505. The cubic root of 2801443 is about 140.9701829881.

The spelling of 2801443 in words is "two million, eight hundred one thousand, four hundred forty-three".