5230452421 has 2 divisors, whose sum is σ = 5230452422. Its totient is φ = 5230452420.

The previous prime is 5230452419. The next prime is 5230452433. The reversal of 5230452421 is 1242540325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4391712900 + 838739521 = 66270^2 + 28961^2 .

It is a cyclic number.

It is not a de Polignac number, because 5230452421 - 2¹ = 5230452419 is a prime.

It is a super-2 number, since 2×5230452421² = 54715265056689522482, which contains 22 as substring.

Together with 5230452419, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5230452421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5230458421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615226210 + 2615226211.

It is an arithmetic number, because the mean of its divisors is an integer number (2615226211).

Almost surely, 2^5230452421 is an apocalyptic number.

It is an amenable number.

5230452421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5230452421 is an equidigital number, since it uses as much as digits as its factorization.

5230452421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5230452421 is about 72321.8668246333. The cubic root of 5230452421 is about 1735.8535633460.

Adding to 5230452421 its reverse (1242540325), we get a palindrome (6472992746).

The spelling of 5230452421 in words is "five billion, two hundred thirty million, four hundred fifty-two thousand, four hundred twenty-one".