609597229 has 2 divisors, whose sum is σ = 609597230. Its totient is φ = 609597228.

The previous prime is 609597227. The next prime is 609597277. The reversal of 609597229 is 922795906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609349225 + 248004 = 24685^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 609597229 - 2¹ = 609597227 is a prime.

Together with 609597227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609597227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304798614 + 304798615.

It is an arithmetic number, because the mean of its divisors is an integer number (304798615).

Almost surely, 2^609597229 is an apocalyptic number.

It is an amenable number.

609597229 is a deficient number, since it is larger than the sum of its proper divisors (1).

609597229 is an equidigital number, since it uses as much as digits as its factorization.

609597229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 609597229 is about 24690.0228634969. The cubic root of 609597229 is about 847.9059081292.

The spelling of 609597229 in words is "six hundred nine million, five hundred ninety-seven thousand, two hundred twenty-nine".