2055281 has 4 divisors (see below), whose sum is σ = 2061552. Its totient is φ = 2049012.

The previous prime is 2055253. The next prime is 2055299. The reversal of 2055281 is 1825502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2055281 - 2⁶ = 2055217 is a prime.

It is a super-2 number, since 2×2055281² = 8448359977922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055481) 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 3 ways as a sum of consecutive naturals, for example, 2615 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (515388).

2^2055281 is an apocalyptic number.

It is an amenable number.

2055281 is a deficient number, since it is larger than the sum of its proper divisors (6271).

2055281 is an equidigital number, since it uses as much as digits as its factorization.

2055281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2055281 is about 1433.6251253379. The cubic root of 2055281 is about 127.1423992264.

The spelling of 2055281 in words is "two million, fifty-five thousand, two hundred eighty-one".