2021235 has 24 divisors (see below), whose sum is σ = 3358416. Its totient is φ = 1037760.

The previous prime is 2021219. The next prime is 2021237. The reversal of 2021235 is 5321202.

It is not a de Polignac number, because 2021235 - 2⁴ = 2021219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021237) 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, 33105 + ... + 33165.

It is an arithmetic number, because the mean of its divisors is an integer number (139934).

2^2021235 is an apocalyptic number.

2021235 is a deficient number, since it is larger than the sum of its proper divisors (1337181).

2021235 is an equidigital number, since it uses as much as digits as its factorization.

2021235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2021235 is about 1421.7014454519. The cubic root of 2021235 is about 126.4364431518.

Adding to 2021235 its reverse (5321202), we get a palindrome (7342437).

The spelling of 2021235 in words is "two million, twenty-one thousand, two hundred thirty-five".