605105047 has 6 divisors (see below), whose sum is σ = 607834208. Its totient is φ = 602388084.

The previous prime is 605105029. The next prime is 605105051. The reversal of 605105047 is 740501506.

It is a de Polignac number, because none of the positive numbers 2^k-605105047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605105057) 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 in 5 ways as a sum of consecutive naturals, for example, 45658 + ... + 57400.

Almost surely, 2^605105047 is an apocalyptic number.

605105047 is a deficient number, since it is larger than the sum of its proper divisors (2729161).

605105047 is an equidigital number, since it uses as much as digits as its factorization.

605105047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197 (or 11970 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 605105047 is about 24598.8830437481. The cubic root of 605105047 is about 845.8180036685.

The spelling of 605105047 in words is "six hundred five million, one hundred five thousand, forty-seven".