5220784631 has 2 divisors, whose sum is σ = 5220784632. Its totient is φ = 5220784630.

The previous prime is 5220784579. The next prime is 5220784703. The reversal of 5220784631 is 1364870225.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5220784631 - 2¹⁸ = 5220522487 is a prime.

It is a super-2 number, since 2×5220784631² = 54513184326571612322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5220784531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610392315 + 2610392316.

It is an arithmetic number, because the mean of its divisors is an integer number (2610392316).

Almost surely, 2^5220784631 is an apocalyptic number.

5220784631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220784631 is an equidigital number, since it uses as much as digits as its factorization.

5220784631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 5220784631 is about 72254.9972735450. The cubic root of 5220784631 is about 1734.7834062048.

The spelling of 5220784631 in words is "five billion, two hundred twenty million, seven hundred eighty-four thousand, six hundred thirty-one".