503860048561 has 3 divisors (see below), whose sum is σ = 503860758393. Its totient is φ = 503859338730.

The previous prime is 503860048507. The next prime is 503860048583. The reversal of 503860048561 is 165840068305.

The square root of 503860048561 is 709831.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 503860048561 - 2⁹ = 503860048049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503860048591) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 354916 + ... + 1064746.

It is an arithmetic number, because the mean of its divisors is an integer number (167953586131).

Almost surely, 2^503860048561 is an apocalyptic number.

503860048561 is the 709831-st square number.

503860048561 is the 354916-th centered octagonal number.

It is an amenable number.

503860048561 is a deficient number, since it is larger than the sum of its proper divisors (709832).

503860048561 is an frugal number, since it uses more digits than its factorization.

503860048561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419662 (or 709831 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 503860048561 in words is "five hundred three billion, eight hundred sixty million, forty-eight thousand, five hundred sixty-one".