1941571 has 2 divisors, whose sum is σ = 1941572. Its totient is φ = 1941570.

The previous prime is 1941559. The next prime is 1941601. The reversal of 1941571 is 1751491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1941571 - 2¹¹ = 1939523 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1941671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970785 + 970786.

It is an arithmetic number, because the mean of its divisors is an integer number (970786).

2^1941571 is an apocalyptic number.

1941571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941571 is an equidigital number, since it uses as much as digits as its factorization.

1941571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 28.

The square root of 1941571 is about 1393.4026697262. The cubic root of 1941571 is about 124.7530270228.

The spelling of 1941571 in words is "one million, nine hundred forty-one thousand, five hundred seventy-one".