4285257 has 4 divisors (see below), whose sum is σ = 5713680. Its totient is φ = 2856836.

The previous prime is 4285249. The next prime is 4285313. The reversal of 4285257 is 7525824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4285257 - 2³ = 4285249 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4285217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714207 + ... + 714212.

It is an arithmetic number, because the mean of its divisors is an integer number (1428420).

Almost surely, 2^4285257 is an apocalyptic number.

It is an amenable number.

4285257 is a deficient number, since it is larger than the sum of its proper divisors (1428423).

4285257 is a wasteful number, since it uses less digits than its factorization.

4285257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428422.

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

The square root of 4285257 is about 2070.0862300880. The cubic root of 4285257 is about 162.4272747552.

The spelling of 4285257 in words is "four million, two hundred eighty-five thousand, two hundred fifty-seven".