606105491 has 4 divisors (see below), whose sum is σ = 638005800. Its totient is φ = 574205184.

The previous prime is 606105449. The next prime is 606105497. The reversal of 606105491 is 194501606.

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 606105491 - 2⁶ = 606105427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606105497) 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 3 ways as a sum of consecutive naturals, for example, 15950126 + ... + 15950163.

It is an arithmetic number, because the mean of its divisors is an integer number (159501450).

Almost surely, 2^606105491 is an apocalyptic number.

606105491 is a deficient number, since it is larger than the sum of its proper divisors (31900309).

606105491 is a wasteful number, since it uses less digits than its factorization.

606105491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31900308.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 606105491 is about 24619.2097964171. The cubic root of 606105491 is about 846.2838884106.

The spelling of 606105491 in words is "six hundred six million, one hundred five thousand, four hundred ninety-one".