427231 has 6 divisors (see below), whose sum is σ = 497040. Its totient is φ = 366156.

The previous prime is 427213. The next prime is 427237. The reversal of 427231 is 132724.

It is not a de Polignac number, because 427231 - 2⁷ = 427103 is a prime.

It is a super-2 number, since 2×427231² = 365052654722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427199 and 427208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427237) 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 in 5 ways as a sum of consecutive naturals, for example, 4311 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (82840).

2⁴²⁷²³¹ is an apocalyptic number.

427231 is a deficient number, since it is larger than the sum of its proper divisors (69809).

427231 is an equidigital number, since it uses as much as digits as its factorization.

427231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733 (or 8726 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 427231 is about 653.6290997194. The cubic root of 427231 is about 75.3160588127.

Adding to 427231 its reverse (132724), we get a palindrome (559955).

It can be divided in two parts, 42723 and 1, that added together give a palindrome (42724).

The spelling of 427231 in words is "four hundred twenty-seven thousand, two hundred thirty-one".