1005000533 has 4 divisors (see below), whose sum is σ = 1005629868. Its totient is φ = 1004371200.

The previous prime is 1005000473. The next prime is 1005000547. The reversal of 1005000533 is 3350005001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 915849169 + 89151364 = 30263^2 + 9442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005000533 - 2¹² = 1004996437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005002533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312266 + ... + 315467.

It is an arithmetic number, because the mean of its divisors is an integer number (251407467).

Almost surely, 2^1005000533 is an apocalyptic number.

It is an amenable number.

1005000533 is a deficient number, since it is larger than the sum of its proper divisors (629335).

1005000533 is an equidigital number, since it uses as much as digits as its factorization.

1005000533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629334.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 1005000533 is about 31701.7433747736. The cubic root of 1005000533 is about 1001.6640736562.

Adding to 1005000533 its reverse (3350005001), we get a palindrome (4355005534).

The spelling of 1005000533 in words is "one billion, five million, five hundred thirty-three", and thus it is an aban number.