424255 has 16 divisors (see below), whose sum is σ = 562464. Its totient is φ = 305280.

The previous prime is 424247. The next prime is 424261. The reversal of 424255 is 552424.

It is not a de Polignac number, because 424255 - 2³ = 424247 is a prime.

It is a Duffinian number.

424255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3912 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2⁴²⁴²⁵⁵ is an apocalyptic number.

424255 is a deficient number, since it is larger than the sum of its proper divisors (138209).

424255 is a wasteful number, since it uses less digits than its factorization.

424255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its digits is 1600, while the sum is 22.

The square root of 424255 is about 651.3486009811. The cubic root of 424255 is about 75.1407726459.

Adding to 424255 its reverse (552424), we get a palindrome (976679).

It can be divided in two parts, 4 and 24255, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 424255 in words is "four hundred twenty-four thousand, two hundred fifty-five".