609556201 has 2 divisors, whose sum is σ = 609556202. Its totient is φ = 609556200.

The previous prime is 609556147. The next prime is 609556223. The reversal of 609556201 is 102655906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514200976 + 95355225 = 22676^2 + 9765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609556201 is a prime.

It is not a weakly prime, because it can be changed into another prime (609553201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304778100 + 304778101.

It is an arithmetic number, because the mean of its divisors is an integer number (304778101).

Almost surely, 2^609556201 is an apocalyptic number.

It is an amenable number.

609556201 is a deficient number, since it is larger than the sum of its proper divisors (1).

609556201 is an equidigital number, since it uses as much as digits as its factorization.

609556201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 609556201 is about 24689.1919875884. The cubic root of 609556201 is about 847.8868853699.

The spelling of 609556201 in words is "six hundred nine million, five hundred fifty-six thousand, two hundred one".