1080553 has 2 divisors, whose sum is σ = 1080554. Its totient is φ = 1080552.

The previous prime is 1080539. The next prime is 1080557. The reversal of 1080553 is 3550801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 5184 = 1037^2 + 72^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080553 is a prime.

It is equal to p₈₄₃₁₆ and since 1080553 and 84316 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1080557) 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, 540276 + 540277.

It is an arithmetic number, because the mean of its divisors is an integer number (540277).

2^1080553 is an apocalyptic number.

It is an amenable number.

1080553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080553 is an equidigital number, since it uses as much as digits as its factorization.

1080553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1080553 is about 1039.4965127407. The cubic root of 1080553 is about 102.6160652330.

The spelling of 1080553 in words is "one million, eighty thousand, five hundred fifty-three".