5247247280 has 60 divisors (see below), whose sum is σ = 13409777136. Its totient is φ = 1908086400.

The previous prime is 5247247279. The next prime is 5247247289. The reversal of 5247247280 is 827427425.

It is not an unprimeable number, because it can be changed into a prime (5247247289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261356 + ... + 280715.

Almost surely, 2^5247247280 is an apocalyptic number.

It is an amenable number.

5247247280 is an abundant number, since it is smaller than the sum of its proper divisors (8162529856).

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

5247247280 is a wasteful number, since it uses less digits than its factorization.

5247247280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542106 (or 542089 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 5247247280 is about 72437.8856676532. The cubic root of 5247247280 is about 1737.7095065416.

The spelling of 5247247280 in words is "five billion, two hundred forty-seven million, two hundred forty-seven thousand, two hundred eighty".