1013503513 has 16 divisors (see below), whose sum is σ = 1151496000. Its totient is φ = 883583680.

The previous prime is 1013503493. The next prime is 1013503541. The reversal of 1013503513 is 3153053101.

1013503513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1013503513 - 2²⁹ = 476632601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013501513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36870 + ... + 58192.

It is an arithmetic number, because the mean of its divisors is an integer number (71968500).

Almost surely, 2^1013503513 is an apocalyptic number.

It is an amenable number.

1013503513 is a deficient number, since it is larger than the sum of its proper divisors (137992487).

1013503513 is a wasteful number, since it uses less digits than its factorization.

1013503513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 1013503513 is about 31835.5699336450. The cubic root of 1013503513 is about 1004.4810610983.

Adding to 1013503513 its reverse (3153053101), we get a palindrome (4166556614).

The spelling of 1013503513 in words is "one billion, thirteen million, five hundred three thousand, five hundred thirteen".