426331 has 2 divisors, whose sum is σ = 426332. Its totient is φ = 426330.

The previous prime is 426319. The next prime is 426353. The reversal of 426331 is 133624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426331 - 2⁹ = 425819 is a prime.

It is a super-2 number, since 2×426331² = 363516243122, which contains 22 as substring.

It is a Chen prime.

426331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 426299 and 426308.

It is not a weakly prime, because it can be changed into another prime (426301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213165 + 213166.

It is an arithmetic number, because the mean of its divisors is an integer number (213166).

2⁴²⁶³³¹ is an apocalyptic number.

426331 is a deficient number, since it is larger than the sum of its proper divisors (1).

426331 is an equidigital number, since it uses as much as digits as its factorization.

426331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 19.

The square root of 426331 is about 652.9402729194. The cubic root of 426331 is about 75.2631349794.

Adding to 426331 its reverse (133624), we get a palindrome (559955).

It can be divided in two parts, 426 and 331, that added together give a palindrome (757).

The spelling of 426331 in words is "four hundred twenty-six thousand, three hundred thirty-one".