520607 has 2 divisors, whose sum is σ = 520608. Its totient is φ = 520606.

The previous prime is 520589. The next prime is 520609. The reversal of 520607 is 706025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520607 is a prime.

Together with 520609, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260303 + 260304.

It is an arithmetic number, because the mean of its divisors is an integer number (260304).

2⁵²⁰⁶⁰⁷ is an apocalyptic number.

520607 is a deficient number, since it is larger than the sum of its proper divisors (1).

520607 is an equidigital number, since it uses as much as digits as its factorization.

520607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 520607 is about 721.5310111146. The cubic root of 520607 is about 80.4457924989.

The spelling of 520607 in words is "five hundred twenty thousand, six hundred seven".