5102445521 has 16 divisors (see below), whose sum is σ = 5373555984. Its totient is φ = 4839554304.

The previous prime is 5102445487. The next prime is 5102445529. The reversal of 5102445521 is 1255442015.

It can be written as a sum of positive squares in 8 ways, for example, as 530657296 + 4571788225 = 23036^2 + 67615^2 .

It is a cyclic number.

It is not a de Polignac number, because 5102445521 - 2⁶ = 5102445457 is a prime.

It is a super-2 number, since 2×5102445521² = 52069900589545922882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5102445529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299591 + ... + 316163.

It is an arithmetic number, because the mean of its divisors is an integer number (335847249).

Almost surely, 2^5102445521 is an apocalyptic number.

It is an amenable number.

5102445521 is a deficient number, since it is larger than the sum of its proper divisors (271110463).

5102445521 is a wasteful number, since it uses less digits than its factorization.

5102445521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16820.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 5102445521 is about 71431.4043051094. The cubic root of 5102445521 is about 1721.5757059655.

Adding to 5102445521 its reverse (1255442015), we get a palindrome (6357887536).

The spelling of 5102445521 in words is "five billion, one hundred two million, four hundred forty-five thousand, five hundred twenty-one".