2021075 has 12 divisors (see below), whose sum is σ = 2864400. Its totient is φ = 1385760.

The previous prime is 2021053. The next prime is 2021077. The reversal of 2021075 is 5701202.

It is not a de Polignac number, because 2021075 - 2⁸ = 2020819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5600 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (238700).

2^2021075 is an apocalyptic number.

2021075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2021075 is a deficient number, since it is larger than the sum of its proper divisors (843325).

2021075 is a wasteful number, since it uses less digits than its factorization.

2021075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566 (or 11561 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2021075 is about 1421.6451737336. The cubic root of 2021075 is about 126.4331068475.

Adding to 2021075 its reverse (5701202), we get a palindrome (7722277).

The spelling of 2021075 in words is "two million, twenty-one thousand, seventy-five".