605147 has 2 divisors, whose sum is σ = 605148. Its totient is φ = 605146.

The previous prime is 605123. The next prime is 605167. The reversal of 605147 is 741506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605147 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (605117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302573 + 302574.

It is an arithmetic number, because the mean of its divisors is an integer number (302574).

2⁶⁰⁵¹⁴⁷ is an apocalyptic number.

605147 is a deficient number, since it is larger than the sum of its proper divisors (1).

605147 is an equidigital number, since it uses as much as digits as its factorization.

605147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 605147 is about 777.9119487448. The cubic root of 605147 is about 84.5837550568.

The spelling of 605147 in words is "six hundred five thousand, one hundred forty-seven".