4021283 has 6 divisors (see below), whose sum is σ = 4677876. Its totient is φ = 3446772.

The previous prime is 4021261. The next prime is 4021301. The reversal of 4021283 is 3821204.

4021283 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4021283 is a prime.

4021283 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (4021243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40985 + ... + 41082.

It is an arithmetic number, because the mean of its divisors is an integer number (779646).

Almost surely, 2^4021283 is an apocalyptic number.

4021283 is a deficient number, since it is larger than the sum of its proper divisors (656593).

4021283 is an equidigital number, since it uses as much as digits as its factorization.

4021283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82081 (or 82074 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4021283 is about 2005.3136911715. The cubic root of 4021283 is about 159.0211461400.

Adding to 4021283 its reverse (3821204), we get a palindrome (7842487).

The spelling of 4021283 in words is "four million, twenty-one thousand, two hundred eighty-three".