1000332001 has 2 divisors, whose sum is σ = 1000332002. Its totient is φ = 1000332000.

The previous prime is 1000331999. The next prime is 1000332029. The reversal of 1000332001 is 1002330001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994456225 + 5875776 = 31535^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000332001 - 2¹ = 1000331999 is a prime.

It is a super-2 number, since 2×1000332001² = 2001328224449328002, which contains 22 as substring.

Together with 1000331999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1000332041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500166000 + 500166001.

It is an arithmetic number, because the mean of its divisors is an integer number (500166001).

Almost surely, 2^1000332001 is an apocalyptic number.

It is an amenable number.

1000332001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000332001 is an equidigital number, since it uses as much as digits as its factorization.

1000332001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1000332001 is about 31628.0255627821. The cubic root of 1000332001 is about 1000.1106547551.

Adding to 1000332001 its reverse (1002330001), we get a palindrome (2002662002).

The spelling of 1000332001 in words is "one billion, three hundred thirty-two thousand, one".