605000031205 has 8 divisors (see below), whose sum is σ = 726568565112. Its totient is φ = 483621006528.

The previous prime is 605000031149. The next prime is 605000031221. The reversal of 605000031205 is 502130000506.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39040227396 + 565959803809 = 197586^2 + 752303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 605000031205 - 2²⁵ = 604966476773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47370282 + ... + 47383051.

It is an arithmetic number, because the mean of its divisors is an integer number (90821070639).

Almost surely, 2^605000031205 is an apocalyptic number.

It is an amenable number.

605000031205 is a deficient number, since it is larger than the sum of its proper divisors (121568533907).

605000031205 is a wasteful number, since it uses less digits than its factorization.

605000031205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94754615.

The product of its (nonzero) digits is 900, while the sum is 22.

It can be divided in two parts, 6050000 and 31205, that multiplied together give a square (188790250000 = 434500²).

The spelling of 605000031205 in words is "six hundred five billion, thirty-one thousand, two hundred five".