43242413 has 8 divisors (see below), whose sum is σ = 44383416. Its totient is φ = 42105600.

The previous prime is 43242383. The next prime is 43242439. The reversal of 43242413 is 31424234.

It can be written as a sum of positive squares in 4 ways, for example, as 8219689 + 35022724 = 2867^2 + 5918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43242413 - 2⁶ = 43242349 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 (43242013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41345 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (5547927).

Almost surely, 2^43242413 is an apocalyptic number.

It is an amenable number.

43242413 is a deficient number, since it is larger than the sum of its proper divisors (1141003).

43242413 is a wasteful number, since it uses less digits than its factorization.

43242413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its digits is 2304, while the sum is 23.

The square root of 43242413 is about 6575.8963647552. The cubic root of 43242413 is about 350.9969209937.

Multiplying 43242413 by its sum of digits (23), we get a palindrome (994575499).

Adding to 43242413 its reverse (31424234), we get a palindrome (74666647).

The spelling of 43242413 in words is "forty-three million, two hundred forty-two thousand, four hundred thirteen".