1002004481 has 2 divisors, whose sum is σ = 1002004482. Its totient is φ = 1002004480.

The previous prime is 1002004457. The next prime is 1002004513. The reversal of 1002004481 is 1844002001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 771450625 + 230553856 = 27775^2 + 15184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002004481 - 2⁶ = 1002004417 is a prime.

It is a super-2 number, since 2×1002004481² = 2008025959888158722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002004181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501002240 + 501002241.

It is an arithmetic number, because the mean of its divisors is an integer number (501002241).

Almost surely, 2^1002004481 is an apocalyptic number.

It is an amenable number.

1002004481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002004481 is an equidigital number, since it uses as much as digits as its factorization.

1002004481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1002004481 is about 31654.4543626959. The cubic root of 1002004481 is about 1000.6677143916.

Adding to 1002004481 its reverse (1844002001), we get a palindrome (2846006482).

The spelling of 1002004481 in words is "one billion, two million, four thousand, four hundred eighty-one".