4255863 has 4 divisors (see below), whose sum is σ = 5674488. Its totient is φ = 2837240.

The previous prime is 4255859. The next prime is 4255877. The reversal of 4255863 is 3685524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4255863 - 2² = 4255859 is a prime.

It is a super-2 number, since 2×4255863² = 36224739749538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁶ + 2²² + 5² + 5³ + 8⁴ + 6⁶ + 3⁸ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255963) 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 in 3 ways as a sum of consecutive naturals, for example, 709308 + ... + 709313.

It is an arithmetic number, because the mean of its divisors is an integer number (1418622).

Almost surely, 2^4255863 is an apocalyptic number.

4255863 is a deficient number, since it is larger than the sum of its proper divisors (1418625).

4255863 is a wasteful number, since it uses less digits than its factorization.

4255863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418624.

The product of its digits is 28800, while the sum is 33.

The square root of 4255863 is about 2062.9743090984. The cubic root of 4255863 is about 162.0550415011.

The spelling of 4255863 in words is "four million, two hundred fifty-five thousand, eight hundred sixty-three".