520715003 has 2 divisors, whose sum is σ = 520715004. Its totient is φ = 520715002.

The previous prime is 520714951. The next prime is 520715017. The reversal of 520715003 is 300517025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520715003 - 2⁶ = 520714939 is a prime.

It is a super-2 number, since 2×520715003² = 542288228698580018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520715003.

It is not a weakly prime, because it can be changed into another prime (520715053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260357501 + 260357502.

It is an arithmetic number, because the mean of its divisors is an integer number (260357502).

Almost surely, 2^520715003 is an apocalyptic number.

520715003 is a deficient number, since it is larger than the sum of its proper divisors (1).

520715003 is an equidigital number, since it uses as much as digits as its factorization.

520715003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 520715003 is about 22819.1805944035. The cubic root of 520715003 is about 804.5135509933.

The spelling of 520715003 in words is "five hundred twenty million, seven hundred fifteen thousand, three".