605061311 has 4 divisors (see below), whose sum is σ = 605988552. Its totient is φ = 604134072.

The previous prime is 605061227. The next prime is 605061319. The reversal of 605061311 is 113160506.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 605061311 - 2¹⁴ = 605044927 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 (605061319) 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 in 3 ways as a sum of consecutive naturals, for example, 462641 + ... + 463946.

It is an arithmetic number, because the mean of its divisors is an integer number (151497138).

Almost surely, 2^605061311 is an apocalyptic number.

605061311 is a deficient number, since it is larger than the sum of its proper divisors (927241).

605061311 is an equidigital number, since it uses as much as digits as its factorization.

605061311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927240.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 605061311 is about 24597.9940442305. The cubic root of 605061311 is about 845.7976250649.

The spelling of 605061311 in words is "six hundred five million, sixty-one thousand, three hundred eleven".