1013305 has 4 divisors (see below), whose sum is σ = 1215972. Its totient is φ = 810640.

The previous prime is 1013291. The next prime is 1013321. The reversal of 1013305 is 5033101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5033101 = 239 ⋅21059.

It can be written as a sum of positive squares in 2 ways, for example, as 535824 + 477481 = 732^2 + 691^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1013305 is a prime.

It is a Duffinian number.

1013305 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101326 + ... + 101335.

It is an arithmetic number, because the mean of its divisors is an integer number (303993).

2^1013305 is an apocalyptic number.

It is an amenable number.

1013305 is a deficient number, since it is larger than the sum of its proper divisors (202667).

1013305 is an equidigital number, since it uses as much as digits as its factorization.

1013305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202666.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1013305 is about 1006.6305181148. The cubic root of 1013305 is about 100.4415474886.

Adding to 1013305 its reverse (5033101), we get a palindrome (6046406).

The spelling of 1013305 in words is "one million, thirteen thousand, three hundred five".