2021049 has 24 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1246752.

The previous prime is 2021029. The next prime is 2021053. The reversal of 2021049 is 9401202.

It is not a de Polignac number, because 2021049 - 2⁵ = 2021017 is a prime.

2021049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2021009) 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, 8952 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^2021049 is an apocalyptic number.

It is an amenable number.

2021049 is a deficient number, since it is larger than the sum of its proper divisors (1123911).

2021049 is a wasteful number, since it uses less digits than its factorization.

2021049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2021049 is about 1421.6360293690. The cubic root of 2021049 is about 126.4325646815.

The spelling of 2021049 in words is "two million, twenty-one thousand, forty-nine".