4068257 has 2 divisors, whose sum is σ = 4068258. Its totient is φ = 4068256.

The previous prime is 4068241. The next prime is 4068269. The reversal of 4068257 is 7528604.

4068257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3389281 + 678976 = 1841^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 4068257 - 2⁴ = 4068241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4067257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034128 + 2034129.

It is an arithmetic number, because the mean of its divisors is an integer number (2034129).

Almost surely, 2^4068257 is an apocalyptic number.

It is an amenable number.

4068257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4068257 is an equidigital number, since it uses as much as digits as its factorization.

4068257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4068257 is about 2016.9920674113. The cubic root of 4068257 is about 159.6379443620.

Adding to 4068257 its sum of digits (32), we get a square (4068289 = 2017²).

The spelling of 4068257 in words is "four million, sixty-eight thousand, two hundred fifty-seven".