605232225557 has 4 divisors (see below), whose sum is σ = 640834121196. Its totient is φ = 569630329920.

The previous prime is 605232225539. The next prime is 605232225571. The reversal of 605232225557 is 755522232506.

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 339423925201 + 265808300356 = 582601^2 + 515566^2 .

It is a cyclic number.

It is not a de Polignac number, because 605232225557 - 2¹⁶ = 605232160021 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 (605232725557) 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, 17800947794 + ... + 17800947827.

It is an arithmetic number, because the mean of its divisors is an integer number (160208530299).

Almost surely, 2^605232225557 is an apocalyptic number.

It is an amenable number.

605232225557 is a deficient number, since it is larger than the sum of its proper divisors (35601895639).

605232225557 is a wasteful number, since it uses less digits than its factorization.

605232225557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35601895638.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 605232225557 in words is "six hundred five billion, two hundred thirty-two million, two hundred twenty-five thousand, five hundred fifty-seven".