5424213521 has 2 divisors, whose sum is σ = 5424213522. Its totient is φ = 5424213520.

The previous prime is 5424213467. The next prime is 5424213527. The reversal of 5424213521 is 1253124245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5215006225 + 209207296 = 72215^2 + 14464^2 .

It is a cyclic number.

It is not a de Polignac number, because 5424213521 - 2¹⁴ = 5424197137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5424213527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2712106760 + 2712106761.

It is an arithmetic number, because the mean of its divisors is an integer number (2712106761).

Almost surely, 2^5424213521 is an apocalyptic number.

It is an amenable number.

5424213521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5424213521 is an equidigital number, since it uses as much as digits as its factorization.

5424213521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 5424213521 is about 73649.2601524279. The cubic root of 5424213521 is about 1757.0289838367.

Adding to 5424213521 its reverse (1253124245), we get a palindrome (6677337766).

The spelling of 5424213521 in words is "five billion, four hundred twenty-four million, two hundred thirteen thousand, five hundred twenty-one".