1013043005 has 16 divisors (see below), whose sum is σ = 1386174384. Its totient is φ = 704087040.

The previous prime is 1013042983. The next prime is 1013043011. The reversal of 1013043005 is 5003403101.

It can be written as a sum of positive squares in 8 ways, for example, as 104080804 + 908962201 = 10202^2 + 30149^2 .

It is not a de Polignac number, because 1013043005 - 2²⁰ = 1011994429 is a prime.

It is a super-2 number, since 2×1013043005² = 2052512259958860050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457286 + ... + 459495.

It is an arithmetic number, because the mean of its divisors is an integer number (86635899).

Almost surely, 2^1013043005 is an apocalyptic number.

It is an amenable number.

1013043005 is a deficient number, since it is larger than the sum of its proper divisors (373131379).

1013043005 is a wasteful number, since it uses less digits than its factorization.

1013043005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916816.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1013043005 is about 31828.3365100974. The cubic root of 1013043005 is about 1004.3289019013.

Adding to 1013043005 its reverse (5003403101), we get a palindrome (6016446106).

It can be divided in two parts, 10130 and 43005, that added together give a palindrome (53135).

The spelling of 1013043005 in words is "one billion, thirteen million, forty-three thousand, five".