520967 has 2 divisors, whose sum is σ = 520968. Its totient is φ = 520966.

The previous prime is 520963. The next prime is 520969. The reversal of 520967 is 769025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520967 - 2² = 520963 is a prime.

Together with 520969, 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 (520963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260483 + 260484.

It is an arithmetic number, because the mean of its divisors is an integer number (260484).

2⁵²⁰⁹⁶⁷ is an apocalyptic number.

520967 is a deficient number, since it is larger than the sum of its proper divisors (1).

520967 is an equidigital number, since it uses as much as digits as its factorization.

520967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 520967 is about 721.7804375293. The cubic root of 520967 is about 80.4643309950.

The spelling of 520967 in words is "five hundred twenty thousand, nine hundred sixty-seven".