605112605 has 4 divisors (see below), whose sum is σ = 726135132. Its totient is φ = 484090080.

The previous prime is 605112593. The next prime is 605112611. The reversal of 605112605 is 506211506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 467683876 + 137428729 = 21626^2 + 11723^2 .

It is not a de Polignac number, because 605112605 - 2¹⁰ = 605111581 is a prime.

It is a super-2 number, since 2×605112605² = 732322529459772050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 60511256 + ... + 60511265.

It is an arithmetic number, because the mean of its divisors is an integer number (181533783).

Almost surely, 2^605112605 is an apocalyptic number.

It is an amenable number.

605112605 is a deficient number, since it is larger than the sum of its proper divisors (121022527).

605112605 is a wasteful number, since it uses less digits than its factorization.

605112605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121022526.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 605112605 is about 24599.0366681299. The cubic root of 605112605 is about 845.8215251870.

The spelling of 605112605 in words is "six hundred five million, one hundred twelve thousand, six hundred five".