1001342065 has 4 divisors (see below), whose sum is σ = 1201610484. Its totient is φ = 801073648.

The previous prime is 1001342051. The next prime is 1001342071. The reversal of 1001342065 is 5602431001.

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 387144976 + 614197089 = 19676^2 + 24783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001342065 - 2¹¹ = 1001340017 is a prime.

It is a super-2 number, since 2×1001342065² = 2005371862276928450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 100134202 + ... + 100134211.

It is an arithmetic number, because the mean of its divisors is an integer number (300402621).

Almost surely, 2^1001342065 is an apocalyptic number.

It is an amenable number.

1001342065 is a deficient number, since it is larger than the sum of its proper divisors (200268419).

1001342065 is an equidigital number, since it uses as much as digits as its factorization.

1001342065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200268418.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1001342065 is about 31643.9893976723. The cubic root of 1001342065 is about 1000.4471550226.

Adding to 1001342065 its reverse (5602431001), we get a palindrome (6603773066).

The spelling of 1001342065 in words is "one billion, one million, three hundred forty-two thousand, sixty-five".