1004523013 has 16 divisors (see below), whose sum is σ = 1148817600. Its totient is φ = 870126336.

The previous prime is 1004523011. The next prime is 1004523019. The reversal of 1004523013 is 3103254001.

It is a cyclic number.

It is not a de Polignac number, because 1004523013 - 2¹ = 1004523011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004523011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70138 + ... + 83236.

It is an arithmetic number, because the mean of its divisors is an integer number (71801100).

Almost surely, 2^1004523013 is an apocalyptic number.

1004523013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1004523013 is a deficient number, since it is larger than the sum of its proper divisors (144294587).

1004523013 is a wasteful number, since it uses less digits than its factorization.

1004523013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1004523013 is about 31694.2110329316. The cubic root of 1004523013 is about 1001.5054036227.

Adding to 1004523013 its reverse (3103254001), we get a palindrome (4107777014).

The spelling of 1004523013 in words is "one billion, four million, five hundred twenty-three thousand, thirteen".