1005241313 has 4 divisors (see below), whose sum is σ = 1005305520. Its totient is φ = 1005177108.

The previous prime is 1005241291. The next prime is 1005241337. The reversal of 1005241313 is 3131425001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1005241313 - 2⁶ = 1005241249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1005241343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8498 + ... + 45636.

It is an arithmetic number, because the mean of its divisors is an integer number (251326380).

Almost surely, 2^1005241313 is an apocalyptic number.

It is an amenable number.

1005241313 is a deficient number, since it is larger than the sum of its proper divisors (64207).

1005241313 is an equidigital number, since it uses as much as digits as its factorization.

1005241313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64206.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1005241313 is about 31705.5407302888. The cubic root of 1005241313 is about 1001.7440608169.

Adding to 1005241313 its reverse (3131425001), we get a palindrome (4136666314).

The spelling of 1005241313 in words is "one billion, five million, two hundred forty-one thousand, three hundred thirteen".