1004345 has 4 divisors (see below), whose sum is σ = 1205220. Its totient is φ = 803472.

The previous prime is 1004323. The next prime is 1004363. The reversal of 1004345 is 5434001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 609961 + 394384 = 781^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004345 - 2⁸ = 1004089 is a prime.

It is a Curzon 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, 100430 + ... + 100439.

It is an arithmetic number, because the mean of its divisors is an integer number (301305).

2^1004345 is an apocalyptic number.

It is an amenable number.

1004345 is a deficient number, since it is larger than the sum of its proper divisors (200875).

1004345 is an equidigital number, since it uses as much as digits as its factorization.

1004345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200874.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1004345 is about 1002.1701452348. The cubic root of 1004345 is about 100.1446240713.

Adding to 1004345 its reverse (5434001), we get a palindrome (6438346).

The spelling of 1004345 in words is "one million, four thousand, three hundred forty-five".