52218253 has 2 divisors, whose sum is σ = 52218254. Its totient is φ = 52218252.

The previous prime is 52218239. The next prime is 52218263. The reversal of 52218253 is 35281225.

52218253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34257609 + 17960644 = 5853^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 52218253 - 2¹³ = 52210061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52218223) 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, 26109126 + 26109127.

It is an arithmetic number, because the mean of its divisors is an integer number (26109127).

Almost surely, 2^52218253 is an apocalyptic number.

It is an amenable number.

52218253 is a deficient number, since it is larger than the sum of its proper divisors (1).

52218253 is an equidigital number, since it uses as much as digits as its factorization.

52218253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 52218253 is about 7226.2198278215. The cubic root of 52218253 is about 373.7725866374.

Adding to 52218253 its reverse (35281225), we get a palindrome (87499478).

The spelling of 52218253 in words is "fifty-two million, two hundred eighteen thousand, two hundred fifty-three".