5243605320 has 128 divisors (see below), whose sum is σ = 16520682240. Its totient is φ = 1328870400.

The previous prime is 5243605309. The next prime is 5243605361. The reversal of 5243605320 is 235063425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427270 + ... + 439370.

It is an arithmetic number, because the mean of its divisors is an integer number (129067830).

Almost surely, 2^5243605320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5243605320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8260341120).

5243605320 is an abundant number, since it is smaller than the sum of its proper divisors (11277076920).

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

5243605320 is a wasteful number, since it uses less digits than its factorization.

5243605320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295 (or 12291 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5243605320 is about 72412.7428012501. The cubic root of 5243605320 is about 1737.3073824740.

Adding to 5243605320 its reverse (235063425), we get a palindrome (5478668745).

The spelling of 5243605320 in words is "five billion, two hundred forty-three million, six hundred five thousand, three hundred twenty".