601028189 has 2 divisors, whose sum is σ = 601028190. Its totient is φ = 601028188.

The previous prime is 601028147. The next prime is 601028227. The reversal of 601028189 is 981820106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587092900 + 13935289 = 24230^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 601028189 - 2²⁰ = 599979613 is a prime.

It is a super-2 number, since 2×601028189² = 722469767945239442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (601028119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300514094 + 300514095.

It is an arithmetic number, because the mean of its divisors is an integer number (300514095).

Almost surely, 2^601028189 is an apocalyptic number.

It is an amenable number.

601028189 is a deficient number, since it is larger than the sum of its proper divisors (1).

601028189 is an equidigital number, since it uses as much as digits as its factorization.

601028189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 601028189 is about 24515.8762641681. The cubic root of 601028189 is about 843.9141726887.

The spelling of 601028189 in words is "six hundred one million, twenty-eight thousand, one hundred eighty-nine".