5314445621 has 2 divisors, whose sum is σ = 5314445622. Its totient is φ = 5314445620.

The previous prime is 5314445593. The next prime is 5314445623. The reversal of 5314445621 is 1265444135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5301878596 + 12567025 = 72814^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 5314445621 - 2¹⁸ = 5314183477 is a prime.

It is a Sophie Germain prime.

Together with 5314445623, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5314445623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657222810 + 2657222811.

It is an arithmetic number, because the mean of its divisors is an integer number (2657222811).

Almost surely, 2^5314445621 is an apocalyptic number.

It is an amenable number.

5314445621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5314445621 is an equidigital number, since it uses as much as digits as its factorization.

5314445621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 5314445621 is about 72900.2443137196. The cubic root of 5314445621 is about 1745.0959978714.

Adding to 5314445621 its reverse (1265444135), we get a palindrome (6579889756).

The spelling of 5314445621 in words is "five billion, three hundred fourteen million, four hundred forty-five thousand, six hundred twenty-one".