4235021 has 8 divisors (see below), whose sum is σ = 4939200. Its totient is φ = 3629724.

The previous prime is 4235017. The next prime is 4235041. The reversal of 4235021 is 1205324.

It is not a de Polignac number, because 4235021 - 2² = 4235017 is a prime.

It is a super-3 number, since 3×4235021³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235041) 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, 5831 + ... + 6516.

It is an arithmetic number, because the mean of its divisors is an integer number (617400).

Almost surely, 2^4235021 is an apocalyptic number.

It is an amenable number.

4235021 is a deficient number, since it is larger than the sum of its proper divisors (704179).

4235021 is an equidigital number, since it uses as much as digits as its factorization.

4235021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12368 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4235021 is about 2057.9166649794. The cubic root of 4235021 is about 161.7900674493.

The spelling of 4235021 in words is "four million, two hundred thirty-five thousand, twenty-one".