1013309 has 4 divisors (see below), whose sum is σ = 1105440. Its totient is φ = 921180.

The previous prime is 1013291. The next prime is 1013321. The reversal of 1013309 is 9033101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013309 - 2⁸ = 1013053 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013329) 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, 46049 + ... + 46070.

It is an arithmetic number, because the mean of its divisors is an integer number (276360).

2^1013309 is an apocalyptic number.

It is an amenable number.

1013309 is a deficient number, since it is larger than the sum of its proper divisors (92131).

1013309 is an equidigital number, since it uses as much as digits as its factorization.

1013309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92130.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1013309 is about 1006.6325049391. The cubic root of 1013309 is about 100.4416796521.

The spelling of 1013309 in words is "one million, thirteen thousand, three hundred nine".