600116561 has 6 divisors (see below), whose sum is σ = 659632386. Its totient is φ = 545560400.

The previous prime is 600116533. The next prime is 600116567. The reversal of 600116561 is 165611006.

It can be written as a sum of positive squares in only one way, i.e., 574512961 + 25603600 = 23969^2 + 5060^2 .

It is a de Polignac number, because none of the positive numbers 2^k-600116561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 600116561.

It is not an unprimeable number, because it can be changed into a prime (600116567) 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 5 ways as a sum of consecutive naturals, for example, 2479700 + ... + 2479941.

It is an arithmetic number, because the mean of its divisors is an integer number (109938731).

Almost surely, 2^600116561 is an apocalyptic number.

It is an amenable number.

600116561 is a deficient number, since it is larger than the sum of its proper divisors (59515825).

600116561 is a wasteful number, since it uses less digits than its factorization.

600116561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959663 (or 4959652 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 600116561 is about 24497.2766037370. The cubic root of 600116561 is about 843.4872791847.

Adding to 600116561 its reverse (165611006), we get a palindrome (765727567).

The spelling of 600116561 in words is "six hundred million, one hundred sixteen thousand, five hundred sixty-one".