1003305413 has 8 divisors (see below), whose sum is σ = 1099059456. Its totient is φ = 908308800.

The previous prime is 1003305409. The next prime is 1003305419. The reversal of 1003305413 is 3145033001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003305413 - 2² = 1003305409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003305419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186581 + ... + 191882.

It is an arithmetic number, because the mean of its divisors is an integer number (137382432).

Almost surely, 2^1003305413 is an apocalyptic number.

It is an amenable number.

1003305413 is a deficient number, since it is larger than the sum of its proper divisors (95754043).

1003305413 is a wasteful number, since it uses less digits than its factorization.

1003305413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378715.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1003305413 is about 31674.9966535121. The cubic root of 1003305413 is about 1001.1005925849.

Adding to 1003305413 its reverse (3145033001), we get a palindrome (4148338414).

The spelling of 1003305413 in words is "one billion, three million, three hundred five thousand, four hundred thirteen".