5248628581 has 24 divisors (see below), whose sum is σ = 6180238680. Its totient is φ = 4443973632.

The previous prime is 5248628579. The next prime is 5248628591. The reversal of 5248628581 is 1858268425.

It can be written as a sum of positive squares in 4 ways, for example, as 1923261025 + 3325367556 = 43855^2 + 57666^2 .

It is not a de Polignac number, because 5248628581 - 2¹ = 5248628579 is a prime.

It is a super-2 number, since 2×5248628581² = 55096203962580147122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5248628591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4909315 + ... + 4910383.

It is an arithmetic number, because the mean of its divisors is an integer number (257509945).

Almost surely, 2^5248628581 is an apocalyptic number.

It is an amenable number.

5248628581 is a deficient number, since it is larger than the sum of its proper divisors (931610099).

5248628581 is a wasteful number, since it uses less digits than its factorization.

5248628581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2206 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 49.

The square root of 5248628581 is about 72447.4194226406. The cubic root of 5248628581 is about 1737.8619731056.

The spelling of 5248628581 in words is "five billion, two hundred forty-eight million, six hundred twenty-eight thousand, five hundred eighty-one".