605621225065 has 32 divisors (see below), whose sum is σ = 771439939200. Its totient is φ = 454846233600.

The previous prime is 605621225059. The next prime is 605621225171. The reversal of 605621225065 is 560522126506.

It is not a de Polignac number, because 605621225065 - 2²⁹ = 605084354153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59963386 + ... + 59973484.

It is an arithmetic number, because the mean of its divisors is an integer number (24107498100).

Almost surely, 2^605621225065 is an apocalyptic number.

It is an amenable number.

605621225065 is a deficient number, since it is larger than the sum of its proper divisors (165818714135).

605621225065 is a wasteful number, since it uses less digits than its factorization.

605621225065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 605621225065 in words is "six hundred five billion, six hundred twenty-one million, two hundred twenty-five thousand, sixty-five".