520296503 has 4 divisors (see below), whose sum is σ = 522937800. Its totient is φ = 517655208.

The previous prime is 520296487. The next prime is 520296559. The reversal of 520296503 is 305692025.

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

It is a cyclic number.

It is not a de Polignac number, because 520296503 - 2⁴ = 520296487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520296503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520296563) 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, 1320353 + ... + 1320746.

It is an arithmetic number, because the mean of its divisors is an integer number (130734450).

Almost surely, 2^520296503 is an apocalyptic number.

520296503 is a deficient number, since it is larger than the sum of its proper divisors (2641297).

520296503 is a wasteful number, since it uses less digits than its factorization.

520296503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641296.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 520296503 is about 22810.0088338431. The cubic root of 520296503 is about 804.2979633502.

The spelling of 520296503 in words is "five hundred twenty million, two hundred ninety-six thousand, five hundred three".