2001518 has 8 divisors (see below), whose sum is σ = 3011448. Its totient is φ = 997704.

The previous prime is 2001511. The next prime is 2001533. The reversal of 2001518 is 8151002.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2001496 and 2001505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (376431).

2^2001518 is an apocalyptic number.

2001518 is a deficient number, since it is larger than the sum of its proper divisors (1009930).

2001518 is a wasteful number, since it uses less digits than its factorization.

2001518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2001518 is about 1414.7501546209. The cubic root of 2001518 is about 126.0239729308.

The spelling of 2001518 in words is "two million, one thousand, five hundred eighteen".