1005313004 has 6 divisors (see below), whose sum is σ = 1759297764. Its totient is φ = 502656500.

The previous prime is 1005312967. The next prime is 1005313007. The reversal of 1005313004 is 4003135001.

It is not an unprimeable number, because it can be changed into a prime (1005313007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125664122 + ... + 125664129.

It is an arithmetic number, because the mean of its divisors is an integer number (293216294).

Almost surely, 2^1005313004 is an apocalyptic number.

It is an amenable number.

1005313004 is a deficient number, since it is larger than the sum of its proper divisors (753984760).

1005313004 is a wasteful number, since it uses less digits than its factorization.

1005313004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251328255 (or 251328253 counting only the distinct ones).

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

The square root of 1005313004 is about 31706.6712853936. The cubic root of 1005313004 is about 1001.7678741127.

Adding to 1005313004 its reverse (4003135001), we get a palindrome (5008448005).

The spelling of 1005313004 in words is "one billion, five million, three hundred thirteen thousand, four".