1081583 has 2 divisors, whose sum is σ = 1081584. Its totient is φ = 1081582.

The previous prime is 1081541. The next prime is 1081631. The reversal of 1081583 is 3851801.

It is a weak prime.

It is an emirp because it is prime and its reverse (3851801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081583 - 2¹⁰ = 1080559 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540791 + 540792.

It is an arithmetic number, because the mean of its divisors is an integer number (540792).

2^1081583 is an apocalyptic number.

1081583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081583 is an equidigital number, since it uses as much as digits as its factorization.

1081583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1081583 is about 1039.9918268910. The cubic root of 1081583 is about 102.6486599574.

The spelling of 1081583 in words is "one million, eighty-one thousand, five hundred eighty-three".