425271 has 24 divisors (see below), whose sum is σ = 722304. Its totient is φ = 220080.

The previous prime is 425251. The next prime is 425273. The reversal of 425271 is 172524.

It is not a de Polignac number, because 425271 - 2⁶ = 425207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

425271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425273) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1486 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (30096).

2⁴²⁵²⁷¹ is an apocalyptic number.

425271 is a deficient number, since it is larger than the sum of its proper divisors (297033).

425271 is a wasteful number, since it uses less digits than its factorization.

425271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 425271 is about 652.1280549095. The cubic root of 425271 is about 75.2007068554.

Adding to 425271 its reverse (172524), we get a palindrome (597795).

It can be divided in two parts, 425 and 271, that added together give a palindrome (696).

The spelling of 425271 in words is "four hundred twenty-five thousand, two hundred seventy-one".