2028241 has 2 divisors, whose sum is σ = 2028242. Its totient is φ = 2028240.

The previous prime is 2028239. The next prime is 2028263. The reversal of 2028241 is 1428202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 246016 = 1335^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028241 - 2¹ = 2028239 is a prime.

It is a super-2 number, since 2×2028241² = 8227523108162, which contains 22 as substring.

Together with 2028239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2028281) 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 as a sum of consecutive naturals, namely, 1014120 + 1014121.

It is an arithmetic number, because the mean of its divisors is an integer number (1014121).

2^2028241 is an apocalyptic number.

It is an amenable number.

2028241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028241 is an equidigital number, since it uses as much as digits as its factorization.

2028241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2028241 is about 1424.1632631128. The cubic root of 2028241 is about 126.5823592573.

The spelling of 2028241 in words is "two million, twenty-eight thousand, two hundred forty-one".