5042230421 has 4 divisors (see below), whose sum is σ = 5078505600. Its totient is φ = 5005955244.

The previous prime is 5042230411. The next prime is 5042230423. The reversal of 5042230421 is 1240322405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5042230421 - 2¹⁸ = 5041968277 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 (5042230423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18137381 + ... + 18137658.

It is an arithmetic number, because the mean of its divisors is an integer number (1269626400).

Almost surely, 2^5042230421 is an apocalyptic number.

It is an amenable number.

5042230421 is a deficient number, since it is larger than the sum of its proper divisors (36275179).

5042230421 is a wasteful number, since it uses less digits than its factorization.

5042230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36275178.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5042230421 is about 71008.6644079439. The cubic root of 5042230421 is about 1714.7766564800.

Adding to 5042230421 its reverse (1240322405), we get a palindrome (6282552826).

The spelling of 5042230421 in words is "five billion, forty-two million, two hundred thirty thousand, four hundred twenty-one".