1941559 has 2 divisors, whose sum is σ = 1941560. Its totient is φ = 1941558.

The previous prime is 1941557. The next prime is 1941571. The reversal of 1941559 is 9551491.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9551491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1941559 - 2¹ = 1941557 is a prime.

Together with 1941557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1941557) 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, 970779 + 970780.

It is an arithmetic number, because the mean of its divisors is an integer number (970780).

2^1941559 is an apocalyptic number.

1941559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941559 is an equidigital number, since it uses as much as digits as its factorization.

1941559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 34.

The square root of 1941559 is about 1393.3983637137. The cubic root of 1941559 is about 124.7527700077.

It can be divided in two parts, 1941 and 559, that added together give a square (2500 = 50²).

The spelling of 1941559 in words is "one million, nine hundred forty-one thousand, five hundred fifty-nine".