52418189 has 2 divisors, whose sum is σ = 52418190. Its totient is φ = 52418188.

The previous prime is 52418183. The next prime is 52418227. The reversal of 52418189 is 98181425.

It is an a-pointer prime, because the next prime (52418227) can be obtained adding 52418189 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42445225 + 9972964 = 6515^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 52418189 - 2⁸ = 52417933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52418183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26209094 + 26209095.

It is an arithmetic number, because the mean of its divisors is an integer number (26209095).

Almost surely, 2^52418189 is an apocalyptic number.

It is an amenable number.

52418189 is a deficient number, since it is larger than the sum of its proper divisors (1).

52418189 is an equidigital number, since it uses as much as digits as its factorization.

52418189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 52418189 is about 7240.0406766813. The cubic root of 52418189 is about 374.2490191520.

The spelling of 52418189 in words is "fifty-two million, four hundred eighteen thousand, one hundred eighty-nine".