5221634 has 12 divisors (see below), whose sum is σ = 8609622. Its totient is φ = 2373360.

The previous prime is 5221631. The next prime is 5221639. The reversal of 5221634 is 4361225.

It can be written as a sum of positive squares in only one way, i.e., 3621409 + 1600225 = 1903^2 + 1265^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5221631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10547 + ... + 11030.

Almost surely, 2^5221634 is an apocalyptic number.

5221634 is a deficient number, since it is larger than the sum of its proper divisors (3387988).

5221634 is a wasteful number, since it uses less digits than its factorization.

5221634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21601 (or 21590 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 5221634 is about 2285.0894949651. The cubic root of 5221634 is about 173.4877478358.

Adding to 5221634 its reverse (4361225), we get a palindrome (9582859).

The spelling of 5221634 in words is "five million, two hundred twenty-one thousand, six hundred thirty-four".