503598481 has 3 divisors (see below), whose sum is σ = 503620923. Its totient is φ = 503576040.

The previous prime is 503598479. The next prime is 503598517. The reversal of 503598481 is 184895305.

The square root of 503598481 is 22441.

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 can be written as a sum of positive squares in only one way, i.e., 16072081 + 487526400 = 4009^2 + 22080^2 .

It is not a de Polignac number, because 503598481 - 2¹ = 503598479 is a prime.

It is a super-2 number, since 2×503598481² = 507222860131014722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503598461) 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, 11221 + ... + 33661.

It is an arithmetic number, because the mean of its divisors is an integer number (167873641).

Almost surely, 2^503598481 is an apocalyptic number.

503598481 is the 22441-st square number.

503598481 is the 11221-st centered octagonal number.

It is an amenable number.

503598481 is a deficient number, since it is larger than the sum of its proper divisors (22442).

503598481 is an frugal number, since it uses more digits than its factorization.

503598481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44882 (or 22441 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The cubic root of 503598481 is about 795.6000538111.

The spelling of 503598481 in words is "five hundred three million, five hundred ninety-eight thousand, four hundred eighty-one".