605012985 has 12 divisors (see below), whose sum is σ = 1048689252. Its totient is φ = 322673568.

The previous prime is 605012921. The next prime is 605012987. The reversal of 605012985 is 589210506.

It is a happy number.

605012985 is a `hidden beast` number, since 60 + 501 + 2 + 98 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 217238121 + 387774864 = 14739^2 + 19692^2 .

It is not a de Polignac number, because 605012985 - 2⁶ = 605012921 is a prime.

It is a super-3 number, since 3×605012985³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (605012987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6722322 + ... + 6722411.

It is an arithmetic number, because the mean of its divisors is an integer number (87390771).

Almost surely, 2^605012985 is an apocalyptic number.

It is an amenable number.

605012985 is a deficient number, since it is larger than the sum of its proper divisors (443676267).

605012985 is a wasteful number, since it uses less digits than its factorization.

605012985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444744 (or 13444741 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 605012985 is about 24597.0117087422. The cubic root of 605012985 is about 845.7751066284.

The spelling of 605012985 in words is "six hundred five million, twelve thousand, nine hundred eighty-five".