1000338001 has 4 divisors (see below), whose sum is σ = 1077287092. Its totient is φ = 923388912.

The previous prime is 1000337999. The next prime is 1000338013. The reversal of 1000338001 is 1008330001.

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 190992400 + 809345601 = 13820^2 + 28449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000338001 - 2¹ = 1000337999 is a prime.

It is a super-2 number, since 2×1000338001² = 2001352232489352002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000338091) 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, 38474526 + ... + 38474551.

It is an arithmetic number, because the mean of its divisors is an integer number (269321773).

Almost surely, 2^1000338001 is an apocalyptic number.

It is an amenable number.

1000338001 is a deficient number, since it is larger than the sum of its proper divisors (76949091).

1000338001 is an equidigital number, since it uses as much as digits as its factorization.

1000338001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76949090.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1000338001 is about 31628.1204152254. The cubic root of 1000338001 is about 1000.1126543085.

Adding to 1000338001 its reverse (1008330001), we get a palindrome (2008668002).

The spelling of 1000338001 in words is "one billion, three hundred thirty-eight thousand, one".