426241 has 4 divisors (see below), whose sum is σ = 451332. Its totient is φ = 401152.

The previous prime is 426233. The next prime is 426253. The reversal of 426241 is 142624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 172225 = 504^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 426241 - 2³ = 426233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12520 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (112833).

2⁴²⁶²⁴¹ is an apocalyptic number.

It is an amenable number.

426241 is a deficient number, since it is larger than the sum of its proper divisors (25091).

426241 is a wasteful number, since it uses less digits than its factorization.

426241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25090.

The product of its digits is 384, while the sum is 19.

The square root of 426241 is about 652.8713502674. The cubic root of 426241 is about 75.2578385009.

Adding to 426241 its reverse (142624), we get a palindrome (568865).

The spelling of 426241 in words is "four hundred twenty-six thousand, two hundred forty-one".