1000532189 has 2 divisors, whose sum is σ = 1000532190. Its totient is φ = 1000532188.

The previous prime is 1000532173. The next prime is 1000532209. The reversal of 1000532189 is 9812350001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742126564 + 258405625 = 27242^2 + 16075^2 .

It is an emirp because it is prime and its reverse (9812350001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000532189 - 2⁴ = 1000532173 is a prime.

It is a super-2 number, since 2×1000532189² = 2002129322450263442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000532129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500266094 + 500266095.

It is an arithmetic number, because the mean of its divisors is an integer number (500266095).

Almost surely, 2^1000532189 is an apocalyptic number.

It is an amenable number.

1000532189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000532189 is an equidigital number, since it uses as much as digits as its factorization.

1000532189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1000532189 is about 31631.1901293644. The cubic root of 1000532189 is about 1000.1773648732.

The spelling of 1000532189 in words is "one billion, five hundred thirty-two thousand, one hundred eighty-nine".