514645189 has 2 divisors, whose sum is σ = 514645190. Its totient is φ = 514645188.

The previous prime is 514645177. The next prime is 514645231. The reversal of 514645189 is 981546415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490976964 + 23668225 = 22158^2 + 4865^2 .

It is a cyclic number.

It is not a de Polignac number, because 514645189 - 2⁹ = 514644677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514645139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257322594 + 257322595.

It is an arithmetic number, because the mean of its divisors is an integer number (257322595).

Almost surely, 2^514645189 is an apocalyptic number.

It is an amenable number.

514645189 is a deficient number, since it is larger than the sum of its proper divisors (1).

514645189 is an equidigital number, since it uses as much as digits as its factorization.

514645189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 514645189 is about 22685.7926685404. The cubic root of 514645189 is about 801.3753368100.

The spelling of 514645189 in words is "five hundred fourteen million, six hundred forty-five thousand, one hundred eighty-nine".