1004554 has 4 divisors (see below), whose sum is σ = 1506834. Its totient is φ = 502276.

The previous prime is 1004551. The next prime is 1004561. The reversal of 1004554 is 4554001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4554001 = 43 ⋅105907.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 273529 = 855^2 + 523^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1004551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251137 + ... + 251140.

2^1004554 is an apocalyptic number.

1004554 is a deficient number, since it is larger than the sum of its proper divisors (502280).

1004554 is an equidigital number, since it uses as much as digits as its factorization.

1004554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502279.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1004554 is about 1002.2744135216. The cubic root of 1004554 is about 100.1515701488.

Adding to 1004554 its reverse (4554001), we get a palindrome (5558555).

The spelling of 1004554 in words is "one million, four thousand, five hundred fifty-four".