4255626 has 8 divisors (see below), whose sum is σ = 8511264. Its totient is φ = 1418540.

The previous prime is 4255619. The next prime is 4255637. The reversal of 4255626 is 6265524.

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

4255626 is an admirable number.

It is a super-2 number, since 2×4255626² = 36220705303752, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 5⁵ + 5⁵ + 6³ + 2¹³ + 6⁶ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4255593 and 4255602.

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 3 ways as a sum of consecutive naturals, for example, 354630 + ... + 354641.

It is an arithmetic number, because the mean of its divisors is an integer number (1063908).

Almost surely, 2^4255626 is an apocalyptic number.

4255626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4255626 is a wasteful number, since it uses less digits than its factorization.

4255626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709276.

The product of its digits is 14400, while the sum is 30.

The square root of 4255626 is about 2062.9168669629. The cubic root of 4255626 is about 162.0520332779.

The spelling of 4255626 in words is "four million, two hundred fifty-five thousand, six hundred twenty-six".