2028558241 has 2 divisors, whose sum is σ = 2028558242. Its totient is φ = 2028558240.

The previous prime is 2028558227. The next prime is 2028558247. The reversal of 2028558241 is 1428558202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2017806400 + 10751841 = 44920^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028558241 - 2⁷ = 2028558113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2028558241.

It is not a weakly prime, because it can be changed into another prime (2028558247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014279120 + 1014279121.

It is an arithmetic number, because the mean of its divisors is an integer number (1014279121).

Almost surely, 2^2028558241 is an apocalyptic number.

It is an amenable number.

2028558241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028558241 is an equidigital number, since it uses as much as digits as its factorization.

2028558241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 2028558241 is about 45039.5186586180. The cubic root of 2028558241 is about 1265.8895857508.

The spelling of 2028558241 in words is "two billion, twenty-eight million, five hundred fifty-eight thousand, two hundred forty-one".