2001014539 has 4 divisors (see below), whose sum is σ = 2002376320. Its totient is φ = 1999652760.

The previous prime is 2001014531. The next prime is 2001014551. The reversal of 2001014539 is 9354101002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9354101002 = 2 ⋅4677050501.

It is a cyclic number.

It is not a de Polignac number, because 2001014539 - 2³ = 2001014531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001014531) 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, 678684 + ... + 681625.

It is an arithmetic number, because the mean of its divisors is an integer number (500594080).

Almost surely, 2^2001014539 is an apocalyptic number.

2001014539 is a deficient number, since it is larger than the sum of its proper divisors (1361781).

2001014539 is a wasteful number, since it uses less digits than its factorization.

2001014539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361780.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2001014539 is about 44732.7010027340. The cubic root of 2001014539 is about 1260.1340537225.

The spelling of 2001014539 in words is "two billion, one million, fourteen thousand, five hundred thirty-nine".