5221043631 has 12 divisors (see below), whose sum is σ = 7869399408. Its totient is φ = 3329361024.

The previous prime is 5221043629. The next prime is 5221043657. The reversal of 5221043631 is 1363401225.

5221043631 is a `hidden beast` number, since 5 + 2 + 21 + 0 + 4 + 3 + 631 = 666.

It is not a de Polignac number, because 5221043631 - 2¹ = 5221043629 is a prime.

It is a super-2 number, since 2×5221043631² = 54518593193611328322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5221043595 and 5221043604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221043671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12611010 + ... + 12611423.

It is an arithmetic number, because the mean of its divisors is an integer number (655783284).

Almost surely, 2^5221043631 is an apocalyptic number.

5221043631 is a deficient number, since it is larger than the sum of its proper divisors (2648355777).

5221043631 is a wasteful number, since it uses less digits than its factorization.

5221043631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222462 (or 25222459 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5221043631 is about 72256.7895148961. The cubic root of 5221043631 is about 1734.8120929192.

Adding to 5221043631 its reverse (1363401225), we get a palindrome (6584444856).

The spelling of 5221043631 in words is "five billion, two hundred twenty-one million, forty-three thousand, six hundred thirty-one".