1013353503 has 8 divisors (see below), whose sum is σ = 1364516016. Its totient is φ = 668880000.

The previous prime is 1013353501. The next prime is 1013353519. The reversal of 1013353503 is 3053533101.

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

It is not a de Polignac number, because 1013353503 - 2¹ = 1013353501 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013353501) 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, 1671898 + ... + 1672503.

It is an arithmetic number, because the mean of its divisors is an integer number (170564502).

Almost surely, 2^1013353503 is an apocalyptic number.

1013353503 is a deficient number, since it is larger than the sum of its proper divisors (351162513).

1013353503 is a wasteful number, since it uses less digits than its factorization.

1013353503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344505.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 1013353503 is about 31833.2138339816. The cubic root of 1013353503 is about 1004.4315004614.

Adding to 1013353503 its reverse (3053533101), we get a palindrome (4066886604).

It can be divided in two parts, 10133 and 53503, that added together give a palindrome (63636).

The spelling of 1013353503 in words is "one billion, thirteen million, three hundred fifty-three thousand, five hundred three".