2016501 has 4 divisors (see below), whose sum is σ = 2688672. Its totient is φ = 1344332.

The previous prime is 2016493. The next prime is 2016517. The reversal of 2016501 is 1056102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2016501 - 2³ = 2016493 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336081 + ... + 336086.

It is an arithmetic number, because the mean of its divisors is an integer number (672168).

2^2016501 is an apocalyptic number.

It is an amenable number.

2016501 is a deficient number, since it is larger than the sum of its proper divisors (672171).

2016501 is an equidigital number, since it uses as much as digits as its factorization.

2016501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672170.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2016501 is about 1420.0355629350. The cubic root of 2016501 is about 126.3376556901.

The spelling of 2016501 in words is "two million, sixteen thousand, five hundred one".