2000716521 has 8 divisors (see below), whose sum is σ = 2667836544. Its totient is φ = 1333703760.

The previous prime is 2000716517. The next prime is 2000716541. The reversal of 2000716521 is 1256170002.

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

It is not a de Polignac number, because 2000716521 - 2² = 2000716517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000716491 and 2000716500.

It is not an unprimeable number, because it can be changed into a prime (2000716541) 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, 41776 + ... + 75806.

It is an arithmetic number, because the mean of its divisors is an integer number (333479568).

Almost surely, 2^2000716521 is an apocalyptic number.

It is an amenable number.

2000716521 is a deficient number, since it is larger than the sum of its proper divisors (667120023).

2000716521 is a wasteful number, since it uses less digits than its factorization.

2000716521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53631.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2000716521 is about 44729.3697809392. The cubic root of 2000716521 is about 1260.0714919123.

Adding to 2000716521 its reverse (1256170002), we get a palindrome (3256886523).

The spelling of 2000716521 in words is "two billion, seven hundred sixteen thousand, five hundred twenty-one".