2001332087 has 2 divisors, whose sum is σ = 2001332088. Its totient is φ = 2001332086.

The previous prime is 2001332083. The next prime is 2001332117. The reversal of 2001332087 is 7802331002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001332087 - 2² = 2001332083 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001332083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000666043 + 1000666044.

It is an arithmetic number, because the mean of its divisors is an integer number (1000666044).

Almost surely, 2^2001332087 is an apocalyptic number.

2001332087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001332087 is an equidigital number, since it uses as much as digits as its factorization.

2001332087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2001332087 is about 44736.2502563637. The cubic root of 2001332087 is about 1260.2007085577.

Adding to 2001332087 its reverse (7802331002), we get a palindrome (9803663089).

The spelling of 2001332087 in words is "two billion, one million, three hundred thirty-two thousand, eighty-seven".