1003432013 has 4 divisors (see below), whose sum is σ = 1014706620. Its totient is φ = 992157408.

The previous prime is 1003431997. The next prime is 1003432019. The reversal of 1003432013 is 3102343001.

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 312688489 + 690743524 = 17683^2 + 26282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003432013 - 2⁴ = 1003431997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003431982 and 1003432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003432019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5637170 + ... + 5637347.

It is an arithmetic number, because the mean of its divisors is an integer number (253676655).

Almost surely, 2^1003432013 is an apocalyptic number.

It is an amenable number.

1003432013 is a deficient number, since it is larger than the sum of its proper divisors (11274607).

1003432013 is an equidigital number, since it uses as much as digits as its factorization.

1003432013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274606.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1003432013 is about 31676.9950121535. The cubic root of 1003432013 is about 1001.1426980771.

Adding to 1003432013 its reverse (3102343001), we get a palindrome (4105775014).

The spelling of 1003432013 in words is "one billion, three million, four hundred thirty-two thousand, thirteen".