5220784537 has 8 divisors (see below), whose sum is σ = 5456493000. Its totient is φ = 4988788224.

The previous prime is 5220784531. The next prime is 5220784579. The reversal of 5220784537 is 7354870225.

It can be written as a sum of positive squares in 4 ways, for example, as 798401536 + 4422383001 = 28256^2 + 66501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220784537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220784493 and 5220784502.

It is not an unprimeable number, because it can be changed into a prime (5220784531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925162 + ... + 930787.

It is an arithmetic number, because the mean of its divisors is an integer number (682061625).

Almost surely, 2^5220784537 is an apocalyptic number.

It is an amenable number.

5220784537 is a deficient number, since it is larger than the sum of its proper divisors (235708463).

5220784537 is a wasteful number, since it uses less digits than its factorization.

5220784537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856075.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 5220784537 is about 72254.9966230710. The cubic root of 5220784537 is about 1734.7833957932.

The spelling of 5220784537 in words is "five billion, two hundred twenty million, seven hundred eighty-four thousand, five hundred thirty-seven".