605995897 has 4 divisors (see below), whose sum is σ = 652610980. Its totient is φ = 559380816.

The previous prime is 605995829. The next prime is 605995909. The reversal of 605995897 is 798599506.

605995897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28987456 + 577008441 = 5384^2 + 24021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605995897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605995097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23307522 + ... + 23307547.

It is an arithmetic number, because the mean of its divisors is an integer number (163152745).

Almost surely, 2^605995897 is an apocalyptic number.

It is an amenable number.

605995897 is a deficient number, since it is larger than the sum of its proper divisors (46615083).

605995897 is a wasteful number, since it uses less digits than its factorization.

605995897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46615082.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The square root of 605995897 is about 24616.9839135504. The cubic root of 605995897 is about 846.2328779135.

The spelling of 605995897 in words is "six hundred five million, nine hundred ninety-five thousand, eight hundred ninety-seven".