2028601 has 2 divisors, whose sum is σ = 2028602. Its totient is φ = 2028600.

The previous prime is 2028589. The next prime is 2028617. The reversal of 2028601 is 1068202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 275625 = 1324^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028601 - 2¹³ = 2020409 is a prime.

2028601 is a lucky number.

It is equal to p₁₅₀₉₂₂ and since 2028601 and 150922 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028101) 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, 1014300 + 1014301.

It is an arithmetic number, because the mean of its divisors is an integer number (1014301).

2^2028601 is an apocalyptic number.

It is an amenable number.

2028601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028601 is an equidigital number, since it uses as much as digits as its factorization.

2028601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2028601 is about 1424.2896475085. The cubic root of 2028601 is about 126.5898480047.

The spelling of 2028601 in words is "two million, twenty-eight thousand, six hundred one".