520466503 has 2 divisors, whose sum is σ = 520466504. Its totient is φ = 520466502.

The previous prime is 520466497. The next prime is 520466591. The reversal of 520466503 is 305664025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520466503 - 2⁹ = 520465991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520466593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260233251 + 260233252.

It is an arithmetic number, because the mean of its divisors is an integer number (260233252).

Almost surely, 2^520466503 is an apocalyptic number.

520466503 is a deficient number, since it is larger than the sum of its proper divisors (1).

520466503 is an equidigital number, since it uses as much as digits as its factorization.

520466503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 520466503 is about 22813.7349638326. The cubic root of 520466503 is about 804.3855517183.

The spelling of 520466503 in words is "five hundred twenty million, four hundred sixty-six thousand, five hundred three".