5286724385 has 4 divisors (see below), whose sum is σ = 6344069268. Its totient is φ = 4229379504.

The previous prime is 5286724381. The next prime is 5286724423. The reversal of 5286724385 is 5834276825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4135004416 + 1151719969 = 64304^2 + 33937^2 .

It is a cyclic number.

It is not a de Polignac number, because 5286724385 - 2² = 5286724381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5286724381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528672434 + ... + 528672443.

It is an arithmetic number, because the mean of its divisors is an integer number (1586017317).

Almost surely, 2^5286724385 is an apocalyptic number.

It is an amenable number.

5286724385 is a deficient number, since it is larger than the sum of its proper divisors (1057344883).

5286724385 is a wasteful number, since it uses less digits than its factorization.

5286724385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057344882.

The product of its digits is 3225600, while the sum is 50.

The square root of 5286724385 is about 72709.8644270501. The cubic root of 5286724385 is about 1742.0564474664.

The spelling of 5286724385 in words is "five billion, two hundred eighty-six million, seven hundred twenty-four thousand, three hundred eighty-five".