5220320531 has 16 divisors (see below), whose sum is σ = 5449701600. Its totient is φ = 4996166400.

The previous prime is 5220320513. The next prime is 5220320563. The reversal of 5220320531 is 1350230225.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220320531 is a prime.

It is a super-3 number, since 3×5220320531³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220320497 and 5220320506.

It is not an unprimeable number, because it can be changed into a prime (5220320591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306685 + ... + 1310673.

It is an arithmetic number, because the mean of its divisors is an integer number (340606350).

Almost surely, 2^5220320531 is an apocalyptic number.

5220320531 is a deficient number, since it is larger than the sum of its proper divisors (229381069).

5220320531 is a wasteful number, since it uses less digits than its factorization.

5220320531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 5220320531 is about 72251.7856595946. The cubic root of 5220320531 is about 1734.7320003406.

Adding to 5220320531 its reverse (1350230225), we get a palindrome (6570550756).

The spelling of 5220320531 in words is "five billion, two hundred twenty million, three hundred twenty thousand, five hundred thirty-one".