64325189 has 2 divisors, whose sum is σ = 64325190. Its totient is φ = 64325188.

The previous prime is 64325167. The next prime is 64325243. The reversal of 64325189 is 98152346.

It is a happy number.

64325189 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., 64272289 + 52900 = 8017^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 64325189 - 2²⁰ = 63276613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64325489) 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, 32162594 + 32162595.

It is an arithmetic number, because the mean of its divisors is an integer number (32162595).

Almost surely, 2^64325189 is an apocalyptic number.

It is an amenable number.

64325189 is a deficient number, since it is larger than the sum of its proper divisors (1).

64325189 is an equidigital number, since it uses as much as digits as its factorization.

64325189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 64325189 is about 8020.2985605275. The cubic root of 64325189 is about 400.6763328734.

The spelling of 64325189 in words is "sixty-four million, three hundred twenty-five thousand, one hundred eighty-nine".