1004573 has 4 divisors (see below), whose sum is σ = 1008060. Its totient is φ = 1001088.

The previous prime is 1004567. The next prime is 1004599. The reversal of 1004573 is 3754001.

It is a happy number.

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 407044 + 597529 = 638^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004573 - 2⁸ = 1004317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004273) 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, 1268 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (252015).

2^1004573 is an apocalyptic number.

It is an amenable number.

1004573 is a deficient number, since it is larger than the sum of its proper divisors (3487).

1004573 is an equidigital number, since it uses as much as digits as its factorization.

1004573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1004573 is about 1002.2838919189. The cubic root of 1004573 is about 100.1522015627.

Adding to 1004573 its reverse (3754001), we get a palindrome (4758574).

The spelling of 1004573 in words is "one million, four thousand, five hundred seventy-three".