2071543 has 2 divisors, whose sum is σ = 2071544. Its totient is φ = 2071542.

The previous prime is 2071507. The next prime is 2071561. The reversal of 2071543 is 3451702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2071543 - 2¹³ = 2063351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035771 + 1035772.

It is an arithmetic number, because the mean of its divisors is an integer number (1035772).

2^2071543 is an apocalyptic number.

2071543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071543 is an equidigital number, since it uses as much as digits as its factorization.

2071543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2071543 is about 1439.2855866714. The cubic root of 2071543 is about 127.4768482890.

The spelling of 2071543 in words is "two million, seventy-one thousand, five hundred forty-three".