1066305 has 16 divisors (see below), whose sum is σ = 1733184. Its totient is φ = 559680.

The previous prime is 1066297. The next prime is 1066313. The reversal of 1066305 is 5036601.

It is an interprime number because it is at equal distance from previous prime (1066297) and next prime (1066313).

It is not a de Polignac number, because 1066305 - 2³ = 1066297 is a prime.

It is a super-2 number, since 2×1066305² = 2274012706050, which contains 22 as substring.

1066305 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (108324).

2^1066305 is an apocalyptic number.

1066305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066305 is a deficient number, since it is larger than the sum of its proper divisors (666879).

1066305 is a wasteful number, since it uses less digits than its factorization.

1066305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1066305 is about 1032.6204530223. The cubic root of 1066305 is about 102.1630418230.

The spelling of 1066305 in words is "one million, sixty-six thousand, three hundred five".