4257289 has 2 divisors, whose sum is σ = 4257290. Its totient is φ = 4257288.

The previous prime is 4257283. The next prime is 4257313. The reversal of 4257289 is 9827524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 13689 = 2060^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257289 - 2⁷ = 4257161 is a prime.

It is a Chen prime.

4257289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4257283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128644 + 2128645.

It is an arithmetic number, because the mean of its divisors is an integer number (2128645).

Almost surely, 2^4257289 is an apocalyptic number.

It is an amenable number.

4257289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257289 is an equidigital number, since it uses as much as digits as its factorization.

4257289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 4257289 is about 2063.3198976407. The cubic root of 4257289 is about 162.0731392550.

The spelling of 4257289 in words is "four million, two hundred fifty-seven thousand, two hundred eighty-nine".