52213633 has 2 divisors, whose sum is σ = 52213634. Its totient is φ = 52213632.

The previous prime is 52213631. The next prime is 52213661. The reversal of 52213633 is 33631225.

It is a happy number.

52213633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 13126129 = 6252^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 52213633 - 2¹ = 52213631 is a prime.

Together with 52213631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52213598 and 52213607.

It is not a weakly prime, because it can be changed into another prime (52213631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26106816 + 26106817.

It is an arithmetic number, because the mean of its divisors is an integer number (26106817).

Almost surely, 2^52213633 is an apocalyptic number.

It is an amenable number.

52213633 is a deficient number, since it is larger than the sum of its proper divisors (1).

52213633 is an equidigital number, since it uses as much as digits as its factorization.

52213633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 52213633 is about 7225.9001515382. The cubic root of 52213633 is about 373.7615631594.

Adding to 52213633 its reverse (33631225), we get a palindrome (85844858).

The spelling of 52213633 in words is "fifty-two million, two hundred thirteen thousand, six hundred thirty-three".