2015443 has 2 divisors, whose sum is σ = 2015444. Its totient is φ = 2015442.

The previous prime is 2015441. The next prime is 2015473. The reversal of 2015443 is 3445102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015443 - 2¹ = 2015441 is a prime.

Together with 2015441, it forms a pair of twin primes.

2015443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015443.

It is not a weakly prime, because it can be changed into another prime (2015441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007721 + 1007722.

It is an arithmetic number, because the mean of its divisors is an integer number (1007722).

2^2015443 is an apocalyptic number.

2015443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015443 is an equidigital number, since it uses as much as digits as its factorization.

2015443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2015443 is about 1419.6629881771. The cubic root of 2015443 is about 126.3155565816.

The spelling of 2015443 in words is "two million, fifteen thousand, four hundred forty-three".