609644201 has 2 divisors, whose sum is σ = 609644202. Its totient is φ = 609644200.

The previous prime is 609644149. The next prime is 609644207. The reversal of 609644201 is 102446906.

It is a happy number.

609644201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343138576 + 266505625 = 18524^2 + 16325^2 .

It is a cyclic number.

It is not a de Polignac number, because 609644201 - 2⁶ = 609644137 is a prime.

It is not a weakly prime, because it can be changed into another prime (609644207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304822100 + 304822101.

It is an arithmetic number, because the mean of its divisors is an integer number (304822101).

Almost surely, 2^609644201 is an apocalyptic number.

It is an amenable number.

609644201 is a deficient number, since it is larger than the sum of its proper divisors (1).

609644201 is an equidigital number, since it uses as much as digits as its factorization.

609644201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 609644201 is about 24690.9740796105. The cubic root of 609644201 is about 847.9276857946.

The spelling of 609644201 in words is "six hundred nine million, six hundred forty-four thousand, two hundred one".