1066203539 has 2 divisors, whose sum is σ = 1066203540. Its totient is φ = 1066203538.

The previous prime is 1066203511. The next prime is 1066203547. The reversal of 1066203539 is 9353026601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066203539 is a prime.

It is a super-2 number, since 2×1066203539² = 2273579973152249042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066203499 and 1066203508.

It is not a weakly prime, because it can be changed into another prime (1066203559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533101769 + 533101770.

It is an arithmetic number, because the mean of its divisors is an integer number (533101770).

Almost surely, 2^1066203539 is an apocalyptic number.

1066203539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066203539 is an equidigital number, since it uses as much as digits as its factorization.

1066203539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1066203539 is about 32652.7723019042. The cubic root of 1066203539 is about 1021.5980138267.

The spelling of 1066203539 in words is "one billion, sixty-six million, two hundred three thousand, five hundred thirty-nine".