2001517201 has 8 divisors (see below), whose sum is σ = 2155912704. Its totient is φ = 1852736160.

The previous prime is 2001517181. The next prime is 2001517223. The reversal of 2001517201 is 1027151002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001517201 - 2²³ = 1993128593 is a prime.

It is a super-2 number, since 2×2001517201² = 8012142211797748802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001517241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1402876 + ... + 1404301.

It is an arithmetic number, because the mean of its divisors is an integer number (269489088).

Almost surely, 2^2001517201 is an apocalyptic number.

It is an amenable number.

2001517201 is a deficient number, since it is larger than the sum of its proper divisors (154395503).

2001517201 is a wasteful number, since it uses less digits than its factorization.

2001517201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807231.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 2001517201 is about 44738.3191570716. The cubic root of 2001517201 is about 1260.2395616135.

Adding to 2001517201 its reverse (1027151002), we get a palindrome (3028668203).

The spelling of 2001517201 in words is "two billion, one million, five hundred seventeen thousand, two hundred one".