5208317540 has 36 divisors (see below), whose sum is σ = 11618706036. Its totient is φ = 1960776192.

The previous prime is 5208317531. The next prime is 5208317599. The reversal of 5208317540 is 457138025.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7311616 + 5201005924 = 2704^2 + 72118^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5208317540.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444767 + ... + 456326.

Almost surely, 2^5208317540 is an apocalyptic number.

It is an amenable number.

5208317540 is an abundant number, since it is smaller than the sum of its proper divisors (6410388496).

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

5208317540 is a wasteful number, since it uses less digits than its factorization.

5208317540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901136 (or 901117 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5208317540 is about 72168.6742291973. The cubic root of 5208317540 is about 1733.4014337971.

The spelling of 5208317540 in words is "five billion, two hundred eight million, three hundred seventeen thousand, five hundred forty".