5524144621 has 2 divisors, whose sum is σ = 5524144622. Its totient is φ = 5524144620.

The previous prime is 5524144609. The next prime is 5524144631. The reversal of 5524144621 is 1264414255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3743726596 + 1780418025 = 61186^2 + 42195^2 .

It is a cyclic number.

It is not a de Polignac number, because 5524144621 - 2¹¹ = 5524142573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5524144631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762072310 + 2762072311.

It is an arithmetic number, because the mean of its divisors is an integer number (2762072311).

Almost surely, 2^5524144621 is an apocalyptic number.

It is an amenable number.

5524144621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5524144621 is an equidigital number, since it uses as much as digits as its factorization.

5524144621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 34.

The square root of 5524144621 is about 74324.5896120523. The cubic root of 5524144621 is about 1767.7533947803.

Adding to 5524144621 its reverse (1264414255), we get a palindrome (6788558876).

The spelling of 5524144621 in words is "five billion, five hundred twenty-four million, one hundred forty-four thousand, six hundred twenty-one".