2001004513 has 8 divisors (see below), whose sum is σ = 2137759520. Its totient is φ = 1867393440.

The previous prime is 2001004487. The next prime is 2001004547. The reversal of 2001004513 is 3154001002.

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 2001004513 - 2⁹ = 2001004001 is a prime.

It is a super-2 number, since 2×2001004513² = 8008038122092734338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001004013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784668 + ... + 787213.

It is an arithmetic number, because the mean of its divisors is an integer number (267219940).

Almost surely, 2^2001004513 is an apocalyptic number.

It is an amenable number.

2001004513 is a deficient number, since it is larger than the sum of its proper divisors (136755007).

2001004513 is a wasteful number, since it uses less digits than its factorization.

2001004513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571967.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2001004513 is about 44732.5889369261. The cubic root of 2001004513 is about 1260.1319491026.

Adding to 2001004513 its reverse (3154001002), we get a palindrome (5155005515).

The spelling of 2001004513 in words is "two billion, one million, four thousand, five hundred thirteen".