424161 has 6 divisors (see below), whose sum is σ = 612690. Its totient is φ = 282768.

The previous prime is 424157. The next prime is 424163. The reversal of 424161 is 161424.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 207936 = 465^2 + 456^2 .

It is not a de Polignac number, because 424161 - 2² = 424157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23556 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (102115).

2⁴²⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

424161 is a deficient number, since it is larger than the sum of its proper divisors (188529).

424161 is a wasteful number, since it uses less digits than its factorization.

424161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47135 (or 47132 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 424161 is about 651.2764390027. The cubic root of 424161 is about 75.1352227177.

Adding to 424161 its reverse (161424), we get a palindrome (585585).

It can be divided in two parts, 424 and 161, that added together give a palindrome (585).

The spelling of 424161 in words is "four hundred twenty-four thousand, one hundred sixty-one".