4255555 has 8 divisors (see below), whose sum is σ = 5244912. Its totient is φ = 3312288.

The previous prime is 4255553. The next prime is 4255561. The reversal of 4255555 is 5555524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4255555 - 2¹ = 4255553 is a prime.

It is an Ulam number.

It is a Duffinian number.

4255555 is a modest number, since divided by 5555 gives 425 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4255553) 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 7 ways as a sum of consecutive naturals, for example, 11317 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (655614).

Almost surely, 2^4255555 is an apocalyptic number.

4255555 is a deficient number, since it is larger than the sum of its proper divisors (989357).

4255555 is a wasteful number, since it uses less digits than its factorization.

4255555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23045.

The product of its digits is 25000, while the sum is 31.

The square root of 4255555 is about 2062.8996582481. The cubic root of 4255555 is about 162.0511320584.

Subtracting from 4255555 its sum of digits (31), we obtain a palindrome (4255524).

The spelling of 4255555 in words is "four million, two hundred fifty-five thousand, five hundred fifty-five".