5221145452 has 24 divisors (see below), whose sum is σ = 9537696000. Its totient is φ = 2496171216.

The previous prime is 5221145407. The next prime is 5221145473. The reversal of 5221145452 is 2545411225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296799 + ... + 313897.

It is an arithmetic number, because the mean of its divisors is an integer number (397404000).

Almost surely, 2^5221145452 is an apocalyptic number.

It is an amenable number.

5221145452 is a deficient number, since it is larger than the sum of its proper divisors (4316550548).

5221145452 is a wasteful number, since it uses less digits than its factorization.

5221145452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445 (or 20443 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 5221145452 is about 72257.4940888487. The cubic root of 5221145452 is about 1734.8233703040.

Adding to 5221145452 its reverse (2545411225), we get a palindrome (7766556677).

The spelling of 5221145452 in words is "five billion, two hundred twenty-one million, one hundred forty-five thousand, four hundred fifty-two".