2001033239 has 2 divisors, whose sum is σ = 2001033240. Its totient is φ = 2001033238.

The previous prime is 2001033233. The next prime is 2001033247. The reversal of 2001033239 is 9323301002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001033239 is a prime.

It is a super-2 number, since 2×2001033239² = 8008268047165662242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001033233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000516619 + 1000516620.

It is an arithmetic number, because the mean of its divisors is an integer number (1000516620).

Almost surely, 2^2001033239 is an apocalyptic number.

2001033239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001033239 is an equidigital number, since it uses as much as digits as its factorization.

2001033239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2001033239 is about 44732.9100215937. The cubic root of 2001033239 is about 1260.1379791368.

The spelling of 2001033239 in words is "two billion, one million, thirty-three thousand, two hundred thirty-nine".