2021283 has 24 divisors (see below), whose sum is σ = 3375216. Its totient is φ = 1152000.

The previous prime is 2021251. The next prime is 2021291. The reversal of 2021283 is 3821202.

It is a happy number.

It is not a de Polignac number, because 2021283 - 2⁵ = 2021251 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2021203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (140634).

2^2021283 is an apocalyptic number.

2021283 is a deficient number, since it is larger than the sum of its proper divisors (1353933).

2021283 is a wasteful number, since it uses less digits than its factorization.

2021283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2021283 is about 1421.7183265331. The cubic root of 2021283 is about 126.4374440087.

Adding to 2021283 its reverse (3821202), we get a palindrome (5842485).

It can be divided in two parts, 2021 and 283, that added together give a square (2304 = 48²).

The spelling of 2021283 in words is "two million, twenty-one thousand, two hundred eighty-three".