42411321 has 12 divisors (see below), whose sum is σ = 62100948. Its totient is φ = 27886464.

The previous prime is 42411307. The next prime is 42411323. The reversal of 42411321 is 12311424.

It can be written as a sum of positive squares in 2 ways, for example, as 8643600 + 33767721 = 2940^2 + 5811^2 .

It is not a de Polignac number, because 42411321 - 2¹⁰ = 42410297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42411294 and 42411303.

It is not an unprimeable number, because it can be changed into a prime (42411323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31620 + ... + 32933.

It is an arithmetic number, because the mean of its divisors is an integer number (5175079).

Almost surely, 2^42411321 is an apocalyptic number.

It is an amenable number.

42411321 is a deficient number, since it is larger than the sum of its proper divisors (19689627).

42411321 is a wasteful number, since it uses less digits than its factorization.

42411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64632 (or 64629 counting only the distinct ones).

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

The square root of 42411321 is about 6512.3974847977. The cubic root of 42411321 is about 348.7337125781.

Adding to 42411321 its reverse (12311424), we get a palindrome (54722745).

The spelling of 42411321 in words is "forty-two million, four hundred eleven thousand, three hundred twenty-one".