1013321 has 2 divisors, whose sum is σ = 1013322.
Its totient is φ = 1013320.
The previous prime is 1013291. The next prime is 1013329. The reversal of 1013321 is 1233101.
Adding to 1013321 its reverse (1233101), we get a palindrome (2246422).
It can be divided in two parts, 10 and 13321, that added together give a palindrome (13331).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 640000 + 373321 = 800^2 + 611^2
It is an emirp because it is prime and its reverse (1233101) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1013321 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1013329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660 + 506661.
It is an arithmetic number, because the mean of its divisors is an integer number (506661).
21013321 is an apocalyptic number.
It is an amenable number.
1013321 is a deficient number, since it is larger than the sum of its proper divisors (1).
1013321 is an equidigital number, since it uses as much as digits as its factorization.
1013321 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1013321 is about 1006.6384653886.
The cubic root of 1013321 is about 100.4420761403.
The spelling of 1013321 in words is "one million, thirteen thousand, three hundred twenty-one".