605140229 has 2 divisors, whose sum is σ = 605140230. Its totient is φ = 605140228.

The previous prime is 605140183. The next prime is 605140231. The reversal of 605140229 is 922041506.

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., 440916004 + 164224225 = 20998^2 + 12815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605140229 is a prime.

It is a Sophie Germain prime.

Together with 605140231, it forms a pair of twin primes.

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 (605140729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302570114 + 302570115.

It is an arithmetic number, because the mean of its divisors is an integer number (302570115).

Almost surely, 2^605140229 is an apocalyptic number.

It is an amenable number.

605140229 is a deficient number, since it is larger than the sum of its proper divisors (1).

605140229 is an equidigital number, since it uses as much as digits as its factorization.

605140229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 605140229 is about 24599.5981471243. The cubic root of 605140229 is about 845.8343958593.

The spelling of 605140229 in words is "six hundred five million, one hundred forty thousand, two hundred twenty-nine".