4257285 has 16 divisors (see below), whose sum is σ = 6837504. Its totient is φ = 2261952.

The previous prime is 4257283. The next prime is 4257289. The reversal of 4257285 is 5827524.

It is not a de Polignac number, because 4257285 - 2¹ = 4257283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (427344).

Almost surely, 2^4257285 is an apocalyptic number.

It is an amenable number.

4257285 is a deficient number, since it is larger than the sum of its proper divisors (2580219).

4257285 is a wasteful number, since it uses less digits than its factorization.

4257285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 22400, while the sum is 33.

The square root of 4257285 is about 2063.3189283288. The cubic root of 4257285 is about 162.0730884956.

The spelling of 4257285 in words is "four million, two hundred fifty-seven thousand, two hundred eighty-five".