520075667 has 2 divisors, whose sum is σ = 520075668. Its totient is φ = 520075666.

The previous prime is 520075631. The next prime is 520075681. The reversal of 520075667 is 766570025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520075667 - 2⁶ = 520075603 is a prime.

It is a Chen prime.

It is equal to p_27356465 and since 520075667 and 27356465 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520075667.

It is not a weakly prime, because it can be changed into another prime (520075267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260037833 + 260037834.

It is an arithmetic number, because the mean of its divisors is an integer number (260037834).

Almost surely, 2^520075667 is an apocalyptic number.

520075667 is a deficient number, since it is larger than the sum of its proper divisors (1).

520075667 is an equidigital number, since it uses as much as digits as its factorization.

520075667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 520075667 is about 22805.1675503602. The cubic root of 520075667 is about 804.1841544743.

The spelling of 520075667 in words is "five hundred twenty million, seventy-five thousand, six hundred sixty-seven".