2016263 has 4 divisors (see below), whose sum is σ = 2036328. Its totient is φ = 1996200.

The previous prime is 2016247. The next prime is 2016269. The reversal of 2016263 is 3626102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2016263 - 2⁴ = 2016247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016269) 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, 9881 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (509082).

2^2016263 is an apocalyptic number.

2016263 is a deficient number, since it is larger than the sum of its proper divisors (20065).

2016263 is a wasteful number, since it uses less digits than its factorization.

2016263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20064.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2016263 is about 1419.9517597440. The cubic root of 2016263 is about 126.3326851090.

The spelling of 2016263 in words is "two million, sixteen thousand, two hundred sixty-three".