500600561 has 4 divisors (see below), whose sum is σ = 500706624. Its totient is φ = 500494500.

The previous prime is 500600549. The next prime is 500600563. The reversal of 500600561 is 165006005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500600561 - 2¹⁸ = 500338417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500600563) 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, 45605 + ... + 55506.

It is an arithmetic number, because the mean of its divisors is an integer number (125176656).

Almost surely, 2^500600561 is an apocalyptic number.

It is an amenable number.

500600561 is a deficient number, since it is larger than the sum of its proper divisors (106063).

500600561 is a wasteful number, since it uses less digits than its factorization.

500600561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106062.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 500600561 is about 22374.1046971717. The cubic root of 500600561 is about 794.0181758937.

Adding to 500600561 its reverse (165006005), we get a palindrome (665606566).

The spelling of 500600561 in words is "five hundred million, six hundred thousand, five hundred sixty-one".