4255538 has 16 divisors (see below), whose sum is σ = 7465920. Its totient is φ = 1781136.

The previous prime is 4255523. The next prime is 4255541. The reversal of 4255538 is 8355524.

It is an Ulam number.

It is an unprimeable number.

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, 2933 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (466620).

Almost surely, 2^4255538 is an apocalyptic number.

4255538 is a deficient number, since it is larger than the sum of its proper divisors (3210382).

4255538 is a wasteful number, since it uses less digits than its factorization.

4255538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121.

The product of its digits is 24000, while the sum is 32.

The square root of 4255538 is about 2062.8955378303. The cubic root of 4255538 is about 162.0509162720.

The spelling of 4255538 in words is "four million, two hundred fifty-five thousand, five hundred thirty-eight".