520948003 has 4 divisors (see below), whose sum is σ = 521421408. Its totient is φ = 520474600.

The previous prime is 520947961. The next prime is 520948019. The reversal of 520948003 is 300849025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520948003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520948063) 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 3 ways as a sum of consecutive naturals, for example, 235048 + ... + 237253.

It is an arithmetic number, because the mean of its divisors is an integer number (130355352).

Almost surely, 2^520948003 is an apocalyptic number.

520948003 is a deficient number, since it is larger than the sum of its proper divisors (473405).

520948003 is a wasteful number, since it uses less digits than its factorization.

520948003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473404.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 520948003 is about 22824.2853776411. The cubic root of 520948003 is about 804.6335294230.

The spelling of 520948003 in words is "five hundred twenty million, nine hundred forty-eight thousand, three".