2058021 has 16 divisors (see below), whose sum is σ = 3484800. Its totient is φ = 1175904.

The previous prime is 2058019. The next prime is 2058031. The reversal of 2058021 is 1208502.

It is not a de Polignac number, because 2058021 - 2¹ = 2058019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2057985 and 2058003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5256 + ... + 5633.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

2^2058021 is an apocalyptic number.

2058021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2058021 is a deficient number, since it is larger than the sum of its proper divisors (1426779).

2058021 is a wasteful number, since it uses less digits than its factorization.

2058021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905 (or 10899 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2058021 is about 1434.5804264662. The cubic root of 2058021 is about 127.1988741445.

The spelling of 2058021 in words is "two million, fifty-eight thousand, twenty-one".