5242336421 has 8 divisors (see below), whose sum is σ = 6050561664. Its totient is φ = 4448941200.

The previous prime is 5242336403. The next prime is 5242336423. The reversal of 5242336421 is 1246332425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5242336421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242336423) 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, 3706745 + ... + 3708158.

It is an arithmetic number, because the mean of its divisors is an integer number (756320208).

Almost surely, 2^5242336421 is an apocalyptic number.

It is an amenable number.

5242336421 is a deficient number, since it is larger than the sum of its proper divisors (808225243).

5242336421 is a wasteful number, since it uses less digits than its factorization.

5242336421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415011.

The product of its digits is 34560, while the sum is 32.

The square root of 5242336421 is about 72403.9806985776. The cubic root of 5242336421 is about 1737.1672342802.

Adding to 5242336421 its reverse (1246332425), we get a palindrome (6488668846).

The spelling of 5242336421 in words is "five billion, two hundred forty-two million, three hundred thirty-six thousand, four hundred twenty-one".