1005334873 has 4 divisors (see below), whose sum is σ = 1005412660. Its totient is φ = 1005257088.

The previous prime is 1005334843. The next prime is 1005334879. The reversal of 1005334873 is 3784335001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 316377369 + 688957504 = 17787^2 + 26248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005334873 - 2¹³ = 1005326681 is a prime.

It is a super-2 number, since 2×1005334873² = 2021396413739852258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005334879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14340 + ... + 47077.

It is an arithmetic number, because the mean of its divisors is an integer number (251353165).

Almost surely, 2^1005334873 is an apocalyptic number.

It is an amenable number.

1005334873 is a deficient number, since it is larger than the sum of its proper divisors (77787).

1005334873 is an equidigital number, since it uses as much as digits as its factorization.

1005334873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77786.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 1005334873 is about 31707.0161478497. The cubic root of 1005334873 is about 1001.7751380205.

Adding to 1005334873 its reverse (3784335001), we get a palindrome (4789669874).

The spelling of 1005334873 in words is "one billion, five million, three hundred thirty-four thousand, eight hundred seventy-three".