5243243242 has 8 divisors (see below), whose sum is σ = 7879404132. Its totient is φ = 2616775200.

The previous prime is 5243243219. The next prime is 5243243267. The reversal of 5243243242 is 2423423425.

It can be written as a sum of positive squares in 2 ways, for example, as 4936608121 + 306635121 = 70261^2 + 17511^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421859 + ... + 2424022.

Almost surely, 2^5243243242 is an apocalyptic number.

5243243242 is a deficient number, since it is larger than the sum of its proper divisors (2636160890).

5243243242 is a wasteful number, since it uses less digits than its factorization.

5243243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846424.

The product of its digits is 46080, while the sum is 31.

The square root of 5243243242 is about 72410.2426594470. The cubic root of 5243243242 is about 1737.2673937497.

Adding to 5243243242 its reverse (2423423425), we get a palindrome (7666666667).

The spelling of 5243243242 in words is "five billion, two hundred forty-three million, two hundred forty-three thousand, two hundred forty-two".