42324613 has 4 divisors (see below), whose sum is σ = 42340428. Its totient is φ = 42308800.

The previous prime is 42324593. The next prime is 42324629. The reversal of 42324613 is 31642324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29778849 + 12545764 = 5457^2 + 3542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42324613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42324673) 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 3 ways as a sum of consecutive naturals, for example, 2788 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (10585107).

Almost surely, 2^42324613 is an apocalyptic number.

It is an amenable number.

42324613 is a deficient number, since it is larger than the sum of its proper divisors (15815).

42324613 is a wasteful number, since it uses less digits than its factorization.

42324613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15814.

The product of its digits is 3456, while the sum is 25.

The square root of 42324613 is about 6505.7369298182. The cubic root of 42324613 is about 348.4958937425.

Adding to 42324613 its reverse (31642324), we get a palindrome (73966937).

The spelling of 42324613 in words is "forty-two million, three hundred twenty-four thousand, six hundred thirteen".