2028714257 has 2 divisors, whose sum is σ = 2028714258. Its totient is φ = 2028714256.

The previous prime is 2028714203. The next prime is 2028714293. The reversal of 2028714257 is 7524178202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135959616 + 892754641 = 33704^2 + 29879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028714257 - 2¹⁸ = 2028452113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2028714257.

It is not a weakly prime, because it can be changed into another prime (2028711257) 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, 1014357128 + 1014357129.

It is an arithmetic number, because the mean of its divisors is an integer number (1014357129).

Almost surely, 2^2028714257 is an apocalyptic number.

It is an amenable number.

2028714257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028714257 is an equidigital number, since it uses as much as digits as its factorization.

2028714257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 2028714257 is about 45041.2506154081. The cubic root of 2028714257 is about 1265.9220380220.

The spelling of 2028714257 in words is "two billion, twenty-eight million, seven hundred fourteen thousand, two hundred fifty-seven".