601325209 has 2 divisors, whose sum is σ = 601325210. Its totient is φ = 601325208.

The previous prime is 601325189. The next prime is 601325233. The reversal of 601325209 is 902523106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538472025 + 62853184 = 23205^2 + 7928^2 .

It is a cyclic number.

It is not a de Polignac number, because 601325209 - 2⁵ = 601325177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (601325299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300662604 + 300662605.

It is an arithmetic number, because the mean of its divisors is an integer number (300662605).

Almost surely, 2^601325209 is an apocalyptic number.

It is an amenable number.

601325209 is a deficient number, since it is larger than the sum of its proper divisors (1).

601325209 is an equidigital number, since it uses as much as digits as its factorization.

601325209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 601325209 is about 24521.9332231372. The cubic root of 601325209 is about 844.0531667839.

It can be divided in two parts, 60132 and 5209, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 601325209 in words is "six hundred one million, three hundred twenty-five thousand, two hundred nine".