4255478 has 4 divisors (see below), whose sum is σ = 6383220. Its totient is φ = 2127738.

The previous prime is 4255477. The next prime is 4255501. The reversal of 4255478 is 8745524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063868 + ... + 1063871.

It is an arithmetic number, because the mean of its divisors is an integer number (1595805).

Almost surely, 2^4255478 is an apocalyptic number.

4255478 is a deficient number, since it is larger than the sum of its proper divisors (2127742).

4255478 is a wasteful number, since it uses less digits than its factorization.

4255478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127741.

The product of its digits is 44800, while the sum is 35.

The square root of 4255478 is about 2062.8809951134. The cubic root of 4255478 is about 162.0501546683.

The spelling of 4255478 in words is "four million, two hundred fifty-five thousand, four hundred seventy-eight".