1082605603 has 4 divisors (see below), whose sum is σ = 1095649128. Its totient is φ = 1069562080.

The previous prime is 1082605553. The next prime is 1082605627. The reversal of 1082605603 is 3065062801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3065062801 = 157 ⋅19522693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1082605603 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082605633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521638 + ... + 6521803.

It is an arithmetic number, because the mean of its divisors is an integer number (273912282).

Almost surely, 2^1082605603 is an apocalyptic number.

1082605603 is a deficient number, since it is larger than the sum of its proper divisors (13043525).

1082605603 is an equidigital number, since it uses as much as digits as its factorization.

1082605603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043524.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1082605603 is about 32902.9725556826. The cubic root of 1082605603 is about 1026.8100013635.

The spelling of 1082605603 in words is "one billion, eighty-two million, six hundred five thousand, six hundred three".