2021054 has 24 divisors (see below), whose sum is σ = 3619728. Its totient is φ = 843360.

The previous prime is 2021053. The next prime is 2021077. The reversal of 2021054 is 4501202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021053) 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, 3767 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2^2021054 is an apocalyptic number.

2021054 is a deficient number, since it is larger than the sum of its proper divisors (1598674).

2021054 is a wasteful number, since it uses less digits than its factorization.

2021054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2021054 is about 1421.6377879052. The cubic root of 2021054 is about 126.4326689445.

Adding to 2021054 its reverse (4501202), we get a palindrome (6522256).

The spelling of 2021054 in words is "two million, twenty-one thousand, fifty-four".