424231 has 2 divisors, whose sum is σ = 424232. Its totient is φ = 424230.

The previous prime is 424223. The next prime is 424243. The reversal of 424231 is 132424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424231 - 2³ = 424223 is a prime.

It is a super-2 number, since 2×424231² = 359943882722, which contains 22 as substring.

424231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424261) by changing a digit.

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 as a sum of consecutive naturals, namely, 212115 + 212116.

It is an arithmetic number, because the mean of its divisors is an integer number (212116).

2⁴²⁴²³¹ is an apocalyptic number.

424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424231 is an equidigital number, since it uses as much as digits as its factorization.

424231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 16.

The square root of 424231 is about 651.3301774062. The cubic root of 424231 is about 75.1393557209.

Adding to 424231 its reverse (132424), we get a palindrome (556655).

It can be divided in two parts, 42423 and 1, that added together give a palindrome (42424).

The spelling of 424231 in words is "four hundred twenty-four thousand, two hundred thirty-one".