520676503 has 8 divisors (see below), whose sum is σ = 526518720. Its totient is φ = 514844160.

The previous prime is 520676473. The next prime is 520676509. The reversal of 520676503 is 305676025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520676503 is a prime.

It is a super-2 number, since 2×520676503² = 542208041552618018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520676509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165378 + ... + 168496.

It is an arithmetic number, because the mean of its divisors is an integer number (65814840).

Almost surely, 2^520676503 is an apocalyptic number.

520676503 is a deficient number, since it is larger than the sum of its proper divisors (5842217).

520676503 is a wasteful number, since it uses less digits than its factorization.

520676503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 520676503 is about 22818.3369902366. The cubic root of 520676503 is about 804.4937227860.

The spelling of 520676503 in words is "five hundred twenty million, six hundred seventy-six thousand, five hundred three".