1000361 has 4 divisors (see below), whose sum is σ = 1010772.
Its totient is φ = 989952.
The previous prime is 1000357. The next prime is 1000367. The reversal of 1000361 is 1630001.
Adding to 1000361 its reverse (1630001), we get a palindrome (2630362).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1630001 = 43 ⋅37907.
It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 570025 = 656^2 + 755^2
It is a cyclic number.
It is not a de Polignac number, because 1000361 - 22 = 1000357 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1000367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060 + ... + 5253.
It is an arithmetic number, because the mean of its divisors is an integer number (252693).
21000361 is an apocalyptic number.
It is an amenable number.
1000361 is a deficient number, since it is larger than the sum of its proper divisors (10411).
1000361 is an equidigital number, since it uses as much as digits as its factorization.
1000361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10410.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1000361 is about 1000.1804837128.
The cubic root of 1000361 is about 100.0120318856.
The spelling of 1000361 in words is "one million, three hundred sixty-one", and thus it is an aban number.