1005603013 has 8 divisors (see below), whose sum is σ = 1016864928. Its totient is φ = 994375824.

The previous prime is 1005602999. The next prime is 1005603037. The reversal of 1005603013 is 3103065001.

1005603013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1005603013 - 2⁵ = 1005602981 is a prime.

It is a super-2 number, since 2×1005603013² = 2022474839509356338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005603083) 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, 51895 + ... + 68587.

It is an arithmetic number, because the mean of its divisors is an integer number (127108116).

Almost surely, 2^1005603013 is an apocalyptic number.

It is an amenable number.

1005603013 is a deficient number, since it is larger than the sum of its proper divisors (11261915).

1005603013 is a wasteful number, since it uses less digits than its factorization.

1005603013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1005603013 is about 31711.2442676096. The cubic root of 1005603013 is about 1001.8641936226.

Adding to 1005603013 its reverse (3103065001), we get a palindrome (4108668014).

The spelling of 1005603013 in words is "one billion, five million, six hundred three thousand, thirteen".