1004322553 has 12 divisors (see below), whose sum is σ = 1093022400. Its totient is φ = 922377456.

The previous prime is 1004322523. The next prime is 1004322559. The reversal of 1004322553 is 3552234001.

It is not a de Polignac number, because 1004322553 - 2¹³ = 1004314361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004322559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18700 + ... + 48562.

It is an arithmetic number, because the mean of its divisors is an integer number (91085200).

Almost surely, 2^1004322553 is an apocalyptic number.

1004322553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1004322553 is a deficient number, since it is larger than the sum of its proper divisors (88699847).

1004322553 is a wasteful number, since it uses less digits than its factorization.

1004322553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30088 (or 30075 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1004322553 is about 31691.0484679822. The cubic root of 1004322553 is about 1001.4387799195.

Adding to 1004322553 its reverse (3552234001), we get a palindrome (4556556554).

The spelling of 1004322553 in words is "one billion, four million, three hundred twenty-two thousand, five hundred fifty-three".