52818187 has 2 divisors, whose sum is σ = 52818188. Its totient is φ = 52818186.

The previous prime is 52818173. The next prime is 52818229. The reversal of 52818187 is 78181825.

52818187 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 is a cyclic number.

It is not a de Polignac number, because 52818187 - 2¹⁵ = 52785419 is a prime.

It is not a weakly prime, because it can be changed into another prime (52818137) 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, 26409093 + 26409094.

It is an arithmetic number, because the mean of its divisors is an integer number (26409094).

Almost surely, 2^52818187 is an apocalyptic number.

52818187 is a deficient number, since it is larger than the sum of its proper divisors (1).

52818187 is an equidigital number, since it uses as much as digits as its factorization.

52818187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 40.

The square root of 52818187 is about 7267.6121938364. The cubic root of 52818187 is about 375.1985603264.

It can be divided in two parts, 5281818 and 7, that added together give a palindrome (5281825).

The spelling of 52818187 in words is "fifty-two million, eight hundred eighteen thousand, one hundred eighty-seven".