1003285 has 4 divisors (see below), whose sum is σ = 1203948. Its totient is φ = 802624.

The previous prime is 1003279. The next prime is 1003291. The reversal of 1003285 is 5823001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1003279) and next prime (1003291).

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 877969 = 354^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003285 - 2⁹ = 1002773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100324 + ... + 100333.

It is an arithmetic number, because the mean of its divisors is an integer number (300987).

2^1003285 is an apocalyptic number.

It is an amenable number.

1003285 is a deficient number, since it is larger than the sum of its proper divisors (200663).

1003285 is an equidigital number, since it uses as much as digits as its factorization.

1003285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200662.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1003285 is about 1001.6411533079. The cubic root of 1003285 is about 100.1093803158.

Adding to 1003285 its reverse (5823001), we get a palindrome (6826286).

The spelling of 1003285 in words is "one million, three thousand, two hundred eighty-five".