1003345 has 16 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 679104.

The previous prime is 1003337. The next prime is 1003349. The reversal of 1003345 is 5433001.

It is a cyclic number.

It is not a de Polignac number, because 1003345 - 2³ = 1003337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2^1003345 is an apocalyptic number.

It is an amenable number.

1003345 is a deficient number, since it is larger than the sum of its proper divisors (390575).

1003345 is a wasteful number, since it uses less digits than its factorization.

1003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1003345 is about 1001.6711037062. The cubic root of 1003345 is about 100.1113759080. Note that the first 3 decimals are identical.

Adding to 1003345 its reverse (5433001), we get a palindrome (6436346).

The spelling of 1003345 in words is "one million, three thousand, three hundred forty-five".