5247263844 has 27 divisors (see below), whose sum is σ = 13265015673. Its totient is φ = 1748943072.

The previous prime is 5247263831. The next prime is 5247263849. The reversal of 5247263844 is 4483627425.

It is a happy number.

The square root of 5247263844 is 72438.

It is a perfect power (a square), and thus also a powerful number.

5247263844 is a `hidden beast` number, since 5 + 2 + 4 + 7 + 2 + 638 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104652900 + 5142610944 = 10230^2 + 71712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5247263844.

It is not an unprimeable number, because it can be changed into a prime (5247263849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 428592 + ... + 440664.

Almost surely, 2^5247263844 is an apocalyptic number.

5247263844 is the 72438-th square number.

It is an amenable number.

5247263844 is an abundant number, since it is smaller than the sum of its proper divisors (8017751829).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5247263844 is an equidigital number, since it uses as much as digits as its factorization.

5247263844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24156 (or 12078 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The cubic root of 5247263844 is about 1737.7113350171.

The spelling of 5247263844 in words is "five billion, two hundred forty-seven million, two hundred sixty-three thousand, eight hundred forty-four".