1005243005 has 32 divisors (see below), whose sum is σ = 1324700160. Its totient is φ = 727833600.

The previous prime is 1005242993. The next prime is 1005243059. The reversal of 1005243005 is 5003425001.

It is not a de Polignac number, because 1005243005 - 2⁴ = 1005242989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 836405 + ... + 837605.

It is an arithmetic number, because the mean of its divisors is an integer number (41396880).

Almost surely, 2^1005243005 is an apocalyptic number.

It is an amenable number.

1005243005 is a deficient number, since it is larger than the sum of its proper divisors (319457155).

1005243005 is a wasteful number, since it uses less digits than its factorization.

1005243005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1005243005 is about 31705.5674133109. The cubic root of 1005243005 is about 1001.7446228544.

Adding to 1005243005 its reverse (5003425001), we get a palindrome (6008668006).

The spelling of 1005243005 in words is "one billion, five million, two hundred forty-three thousand, five".